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Wyszukujesz frazę "system resilience" wg kryterium: Temat


Tytuł:
Using fuzzy logic to support maintenance decisions according to Resilience-Based Maintenance concept
Autorzy:
Bukowski, Lech
Werbińska-Wojciechowska, Sylwia
Powiązania:
https://bibliotekanauki.pl/articles/1841743.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
maintenance
system resilience
maintenance capability
fuzzy logic
uncertainty
Opis:
Many authors have highlighted the importance of physical assets maintenance management in relation to resilience engineering, especially for systems operating under significant uncertainty. Thus, the authors presented a new approach to system maintenance based on resilience concept implementation. They introduced Maintenance Support Potentials (MSP) as a measure of an organization's maintenance support capacity. Moreover, based on the MSP definition, they developed a fuzzy-based organization's maintenance support potential level assessment method. The proposed approach takes into account two main MSP parameters – potential readiness level and process regency. It followed four main steps, including organization's MSP identification/evaluation, MSP weights assessment, Maintenance Support Capacity assessment, and final reasoning. A case study of a global manufacturer from the automotive industry is presented to illustrate the method's applicability. The authors also indicated further research directions to optimize the maintenance strategy based on Resilience-Based Maintenance concept.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 2; 294-307
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Remarks on learner autonomy and success in foreign language learning as a measure of learner resilience
Autorzy:
Puppel, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/919773.pdf
Data publikacji:
2012-01-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Resilience
Learner resilience
Surviving framework
Thriving framework
Resilient learner system
Opis:
In a positively-oriented foreign language pedagogy, where learner autonomy is of utmost importance, focus should be placed on learner resilience. Subsequently, the formation of a resilient learner should be regarded as one of the aims of the formal schooling system on all levels of its functioning. The advantages of the presence of the resilient learner in a properly constructed ecosystem of the school are manifold and are, generally, aimed at generating a high degree of success in school tasks as well as at providing the human society with resilient participants.
Źródło:
Glottodidactica. An International Journal of Applied Linguistics; 2012, 39, 1; 7-12
0072-4769
Pojawia się w:
Glottodidactica. An International Journal of Applied Linguistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Market Orientation of South African Smallholder Farmers in a Disaster Context
Autorzy:
Nwafor, Christopher Ugochukwu
Powiązania:
https://bibliotekanauki.pl/articles/1891835.pdf
Data publikacji:
2020-12-29
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Tematy:
commercialization index
disaster
resilience
seeds system
Opis:
Market-orientation is widely applied to envisage the interaction of smallholder farmers with both input and output markets. Commonly used in the market participation discourse, it is fast becoming a key milestone towards smallholder commercialization. This study introduces the term into the disaster, resilience, seed systems, food security and livelihoods context. Using a mixed methods approach, 120 smallholder farmers in a drought-affected district of South Africa were sampled, and information collected for analysis. The result shows that most of the farmers rely on purchased seeds and fertilizers for crop production, and on average sold 62% of their farm produce. A market orientation index (MOI) of 55% was estimated, showing that the farmers were market oriented. The farm size (0.004), quantities of seeds (0.007) and fertilizer (0.024) purchased, value of crop produced (0.043), amount received from crop sales (0.001), distance to markets (0.048) and access to credit (0.034) were found significant in determining their market orientation. Policy recommendations were made to improve access to irrigation, seed varieties and extension delivery in the area. The finding has implications for development efforts at rebuilding after a natural disaster, developing resilience as well as sourcing food aid from local smallholder farmers by humanitarian agencies.
Źródło:
Journal of Agribusiness and Rural Development; 2020, 58, 4; 437-446
1899-5241
Pojawia się w:
Journal of Agribusiness and Rural Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research on resilience model of UAV swarm based on complex network dynamics
Autorzy:
Wei, Kunlun
Zhang, Tao
Chuanfu, Zhang
Powiązania:
https://bibliotekanauki.pl/articles/28328275.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
UAV swarm
resilience
SIS
system dynamics
topology
Opis:
Unmanned Aerial Vehicle (UAV) swarms are utilized in various missions and operated within an open environment that is prone to disruptions. The resilience of UAV swarms, an important requirement, mainly revolves around ensuring stable and uninterrupted operations. Malicious attacks can implement the adverse impacts of potential threats through swarm communication links. In this context, the SIS (Susceptible → Infected → Susceptible) method is suitable for describing the information transmission within UAV swarms. An enhanced resilience model of the UAV swarm is proposed in this study, which incorporates the factors of self-dynamics, dynamics of topology, dynamics of information transmission, and SIS into the complex network model. Self-dynamics refer to the internal dynamics of the drones. In this paper, dynamics of topology consist of three factors: the varying distance between drones, the incoming degrees of each drone, and the number of communication types between drones. Lastly, dynamics of information transmission are characterized by SIS. The model proposed in this paper has the capability to effectively capture changes in the network topology as well as the dynamics of the system, which are significant contributors to the loss of resilience. And then, the average number of susceptible drones is utilized as the metric to evaluate the resilience of the swarm. Furthermore, an experiment is conducted where a UAV swarm successfully carries out a surveillance mission to demonstrate the advantages of our proposed method. The proposed model not only enables the support of mission planning but also facilitates the design enhancements of UAV swarms.
Źródło:
Eksploatacja i Niezawodność; 2023, 25, 4; art. no. 173125
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conception of decision support system for resilience management of seaport supply chains
Autorzy:
Nowakowski, T.
Młyńczak, M.
Tubis, A.
Werbińska-Wojciechowska, S.
Powiązania:
https://bibliotekanauki.pl/articles/2069089.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
resilience
decision support system
supply chain
seaport operations
Opis:
The target of this paper is to present the preliminary concept of decision support system for seaports supply chain risk management in the aspect of vulnerability and resilience engineering. As a result, there is discussed a literature review connected with resilience engineering of seaport infrastructure systems and their supply chains. Later, the decision support system conception is investigated. The developed solution is to be based on the What if? approach and Bow-Tie method. The work ends up with summary and directions for further research.
Źródło:
Journal of Polish Safety and Reliability Association; 2016, 7, 1; 177--186
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Network resilience analysis: review of concepts and a country level. Case study
Autorzy:
Kamola, M.
Arabas, P.
Powiązania:
https://bibliotekanauki.pl/articles/305270.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
network resilience
valley-free path
autonomous system geolocation
Opis:
This paper presents the rationale behind performing an analysis of Internet resilience in the sense of maintaining a connection of autonomous systems in the presence of failures or attacks — on a level of a single country. Next, the graph of a network is constructed that represents interconnections between autonomous systems. The connectivity of the graph is examined for cases of link or node failure. Resilience metrics are proposed, focusing on a single autonomous system or on overall network reliability. The process of geographic location of networking infrastructure is presented, leading to an analysis of network resilience in the case of a joint failure of neighboring autonomous systems.
Źródło:
Computer Science; 2014, 15 (3); 311-327
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Urban Adaptation to Climate Change Plans and Policies – the Conceptual Framework of a Methodological Approach
Autorzy:
Kiełkowska, J.
Tokarczyk-Dorociak, K.
Kazak, J.
Szewrański, S.
van Hoof, J.
Powiązania:
https://bibliotekanauki.pl/articles/125440.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
urban adaptation plan
climate change
environmental management system
resilience
sustainable urbanization
Opis:
The adaptation of urbanised areas to climate change is currently one of the key challenges in the domain of urban policy. The diversity of environmental determinants requires the formulation of individual plans dedicated to the most significant local issues. This article serves as a methodic proposition for the stage of retrieving data (with the PESTEL and the Delphi method), systemic diagnosis (evaluation of risk and susceptibility), prognosis (goal trees, goal intensity map) and the formulation of urban adaptation plans. The suggested solution complies with the Polish guidelines for establishing adaptation plans. The proposed methodological approach guarantees the participation of various groups of stakeholders in the process of working on urban adaptation plans, which is in accordance with the current tendencies to strengthen the role of public participation in spatial management.
Źródło:
Journal of Ecological Engineering; 2018, 19, 2; 50-62
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The resilience of social logistics systems – introduction
Autorzy:
Zaczyk, Mateusz
Liebert, Filip
Powiązania:
https://bibliotekanauki.pl/articles/1919021.pdf
Data publikacji:
2020
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
logistic system
resilience
social logistics
social needs
vulnerability
system logistyczny
odporność
logistyka społeczna
potrzeby społeczne
podatność
Opis:
Purpose: The article aims to formulate basic assumptions defining the resilience of complex systems falling within social logistics' scope of interest. The article emphasizes the importance of general systems theory for the contemporary understanding of management sciences, with particular emphasis on logistics. The authors of the article have also characterized, based on the current state of literature, the concept of social logistics as one of the three "clean" types of logistics, positioning it alongside military and economic logistics Design/methodology/approach: The article presents an overview of approaches to the crystallizing issue of social logistics in literature. The analyzed object of research was referred to the general theory of systems and conclusions were drawn in the form of proposals to shape the social logistics system. In addition, the authors presented an original proposal for the composition of the social logistics system based on observation of the activities of social entities and in-depth analysis of Polish and foreign literature. Findings: Then it was proposed to consolidate the term 'social logistics system resilience' and to conduct empirical research along with an outline of the research procedure. The proposed research procedure will be used and the results of research conducted in accordance with it – described in subsequent articles of the authors. Social implications: In the article, it was concluded that the subject of the study is relatively broad, and the link between the topic of social logistics and supply chain resilience is a research gap that will be filled by series of articles, the starting link of which is this one. The analyzes contained in the article refer to a large extent to the problems of comfort in social life, with particular emphasis on human needs of a social nature. Originality/value The originality of the article express in compiling the issues of social logistics with issues of systems’ resilience. In the face of the constantly observed negative phenomena disrupting the functioning of social logistics systems, the topic of their resilience is of particular importance.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2020, 146; 543-558
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Oil transport in port. Part 2. Port oil piping transportation system safety and resilience impacted by the climate-weather change process
Autorzy:
Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/2068778.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
port oil piping transportation system
climate-weather change impacts
safety
resilience
cost analysis
Opis:
The paper is concerned with the application of the model of critical infrastructure safety prediction with considering its climate-weather change impacts. The general approach to the prediction of critical infrastructure safety and resilience is proposed and the safety and resilience indicators are defined for a critical infrastructure impacted by climate-weather change process. Moreover, there is presented the model application for port oil piping transportation system safety and resilience prediction. Further, the cost analysis of critical infrastructure impacted by climate-weather change process is proposed and applied to the considered piping system.
Źródło:
Journal of Polish Safety and Reliability Association; 2018, 9, 2; 29--42
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Oil transport in port. Part 1. Port oil piping transportation system safety and resilience impacted by its operation process
Autorzy:
Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/2068781.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
port oil piping transportation system
operation impacts
safety
resilience
cost analysis
cost optimization
Opis:
The paper is concerned with the model of critical infrastructure safety prediction with considering its operation process impacts. The general approach to the prediction of critical infrastructure safety and resilience is proposed and the safety and resilience indicators are defined for a critical infrastructure impacted by its operation process. Moreover, there is presented the model application for port oil piping transportation system safety and resilience prediction. Further, the cost analysis of critical infrastructure operation process is proposed and applied to the considered piping system.
Źródło:
Journal of Polish Safety and Reliability Association; 2018, 9, 2; 11--28
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Oil transport in port. Part 3. Port oil piping transportation system safety and resilience impacted by the climate-weather change process and operation process
Autorzy:
Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/2068783.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
piping system
operation process
climate-weather change impacts
safety
resilience
cost analysis
optimization
Opis:
The paper is concerned with the application of the model of critical infrastructure safety prediction with considering its operation and climate-weather change impacts. The general approach to the prediction of critical infrastructure safety and resilience is proposed and the safety and resilience indicators are defined for a critical infrastructure impacted by its operation process and the climate-weather change process. Moreover, there is presented the model application for port oil piping transportation system safety and resilience prediction. Further, the cost analysis and optimisation of critical infrastructure operation process impacted by climateweather change is proposed and applied to the considered piping system.
Źródło:
Journal of Polish Safety and Reliability Association; 2018, 9, 2; 43--64
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design and analysis of the performance of multi-source interconnected electrical power system using resilience random variance reduction technique
Autorzy:
Prakash Ayyappan, B.
Kanimozhi, R.
Powiązania:
https://bibliotekanauki.pl/articles/2086869.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
multi-source power system
single area power system
LFC
resilience random variance reduction technique
wieloźródłowy system elektroenergetyczny
jednoobszarowy system elektroenergetyczny
technika redukcji wariancji odporności losowej
Opis:
The increasing demand for electricity and global attention to the environment has led energy planners and developers to explore developing control techniques for energy stability. The primary objective function of this research in an interconnected electrical power system to increase the stability of the system with the proposed RRVR technique is evaluated in terms of the different constraints like THD (%), steady-state error (%), settling time (s), overshoot (%), efficiency (%) and to maintain the frequency at a predetermined value, and controlling the change of the power flow of control between the areas renewable energy generation (solar, wind, and fuel cell with battery management system) based intelligent grid system. To provide high-quality, reliable and stable electrical power, the designed controller should perform satisfactorily, that is, suppress the deviation of the load frequency. The performance of linear controllers on non-linear power systems has not yet been found to be effective in overcoming this problem. In this work, a fractional high-order differential feedback controller (FHODFC) is proposed for the LFC problems in a multi-area power system. The gains of FHODFC are best adjusted by resilience random variance reduction technique (RRVR) designed to minimize the overall weighted absolute error performance exponential time. Therefore, the controller circuit automatically adjusts the duty cycle value to obtain a desired constant output voltage value, despite all the grid system’s source voltage and load output changes. The proposed interconnected multi-generation energy generation topology is established in MATLAB 2017b software.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 5; e137941, 1--14
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Targeted modification of the composition of polymer systems for industrial applications
Autorzy:
Ondrušová, Darina
Labaj, Ivan
Pajtášová, Mariana
Vršková, Juliana
Božeková, Slavomíra
Feriancová, Andrea
Skalková, Petra
Powiązania:
https://bibliotekanauki.pl/articles/2090735.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
polymer elastomeric system
industrial application
rheology
cure characteristics
hardness
rebound resilience
system elastomerowy polimerowy
aplikacja przemysłowa
reologia
odporność na odbicie
twardość
Opis:
The targeted modification of the material composition is a common procedure used to improve the parameters of the final products. This paper deals with the targeted modification of polymer systems composition using two various types of alternative fillers. The first type of alternative filler (SVD) has been obtained from energetics where it arises as a by-product of flue gas desulfurization. The second alternative filler used (KAL) is based on waste from glass production. The elastomeric systems designed for the production of car tires and solid wheels for transport systems were used in the role of modified polymer systems. Alternative fillers (SVD, KAL) have been applied as a substitution of commonly used fillers (carbon black, silica). The filler – elastomeric matrix interaction, rheology, cure characteristics, as well as hardness and rebound resilience of vulcanizates, which are important parameters for their industrial application, have been studied in the new prepared polymeric systems. The main output of the work is a new formulation of an elastomeric system for industrial applications with high rebound resilience and low rolling resistance, which is the subject of the international patent. The modification of composition using raw material substitution can also bring significant environmental and economic effects.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; e136721, 1--6
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Targeted modification of the composition of polymer systems for industrial applications
Autorzy:
Ondrušová, Darina
Labaj, Ivan
Pajtášová, Mariana
Vršková, Juliana
Božeková, Slavomíra
Feriancová, Andrea
Skalková, Petra
Powiązania:
https://bibliotekanauki.pl/articles/2086837.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
polymer elastomeric system
industrial application
rheology
cure characteristics
hardness
rebound resilience
system elastomerowy polimerowy
aplikacja przemysłowa
reologia
charakterystyka utwardzania
twardość
sprężystość odbicia
Opis:
The targeted modification of the material composition is a common procedure used to improve the parameters of the final products. This paper deals with the targeted modification of polymer systems composition using two various types of alternative fillers. The first type of alternative filler (SVD) has been obtained from energetics where it arises as a by-product of flue gas desulfurization. The second alternative filler used (KAL) is based on waste from glass production. The elastomeric systems designed for the production of car tires and solid wheels for transport systems were used in the role of modified polymer systems. Alternative fillers (SVD, KAL) have been applied as a substitution of commonly used fillers (carbon black, silica). The filler – elastomeric matrix interaction, rheology, cure characteristics, as well as hardness and rebound resilience of vulcanizates, which are important parameters for their industrial application, have been studied in the new prepared polymeric systems. The main output of the work is a new formulation of an elastomeric system for industrial applications with high rebound resilience and low rolling resistance, which is the subject of the international patent. The modification of composition using raw material substitution can also bring significant environmental and economic effects.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; e136721, 1--6
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Resilience and Deformability of Fused Textile Systems
Odprężanie i zdolność deformacji połączonych systemów tekstylnych
Autorzy:
Ancutiene, K.
Strazdiene, E.
Krusinskiene, L.
Powiązania:
https://bibliotekanauki.pl/articles/232714.pdf
Data publikacji:
2015
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
fused textile system
resilience
pendulum impact device
deformability
impact angle
rebound angle
skondensowany układ tekstylny
sprężystość
obciążenie wahadłem
deformacja materiału
kąt zderzenia
kąt odbicia
Opis:
The aim of this research was to investigate the resilience properties of textile systems fused with different interlinings by applying the method of pendulum impact loading. For the investigations, four worsted outer fabrics and four interlinings were chosen. For testing, a pendulum impact device was used, the operation of which is based on cyclical strikes of the spherical indentor upon the specimen, taking into account the resilience and deformability of the material. It was defined that resilience properties could be characterised not only by the values of impact bn and angles rebound αn but also by the duration of vibration periods Tn. It was defined that the decay of pendulum impact bn and rebound angles αn in the period of t = 20 s can be described by power function y = a + bxc with a high accuracy (R2 = 0.995 - 0.999). For the rebound process, better resilience of fabrics and their fused systems is characterized by higher values of power function coefficients a and b and lower values of its coefficient c. For the impact process, lower deformability of the samples tested is characterised by lower values of power function coefficients a and b, but with a more intensive decrease in deformability – by higher values of coefficient c. The degree of the fused system’s deformability directly depends upon the thickness and mass per unit area of the interlinings used, i.e. less deformable and more stable systems were obtained with thicker interlinings, the mass per unit area of which was higher.
Celem pracy było zbadanie właściwości odprężania tekstylnych systemów łączonych z różnymi podszewkami. Zastosowano metodę obciążenia za pomocą wahadła. Dla badań wybrano cztery czesankowe tkaniny zewnętrzne i cztery różne podszewki. Badania przeprowadzono z użyciem urządzenia, w którym wahadło przenosi cyklicznie obciążenia wymuszone uderzeniami w próbkę sferycznego impaktora. W badaniach brano pod uwagę odprężenie i deformację materiału. Założono, że właściwości odprężające mogą być scharakteryzowane nie tylko przez wielkość obciążenia i kąt odbicia, ale również przez czas trwania okresowych wibracji. Stwierdzono, że zanik wymuszenia i zmiany kąta odbicia w czasie 20 sekund mogą być opisane przez funkcję wykładniczą z dużą dokładnością (R2 = 0,995 - 0,999). Stopień deformacji połączonych systemów włókienniczych zależny od ich grubości i masy na jednostkę powierzchni zastosowanych podszewek. Oznacza to, że mniej podatne na deformacje i bardziej stabilne są systemy uzyskane za pomocą grubszych podszewek, których masa na jednostkę powierzchni jest większa.
Źródło:
Fibres & Textiles in Eastern Europe; 2015, 4 (112); 39-45
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł

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