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Wyszukujesz frazę "transport dynamics" wg kryterium: Temat


Tytuł:
Container Transport in Poland in Logistic Supply Chain
Autorzy:
Romanow, P.
Frąś, J.
Koliński, A
Powiązania:
https://bibliotekanauki.pl/articles/409087.pdf
Data publikacji:
2015
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
intermodal solutions
containerization
transport dynamics
transport statistics
trans-shipping terminals
supply chains
Opis:
This paper discusses key issues concerning the dynamics of container transport development with the use of intermodal solutions against phenomena taking place in transportation systems. It also shows limitations and typical situations which determine the procedure of transport subjects within the confines of realized container transport in logistic supply chains service.
Źródło:
Research in Logistics & Production; 2015, 5, 1; 43-51
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of modelling of impacts exerted by means of transport on the environment for ensuring safety
Autorzy:
Bril, J.
Rydygier, E.
Powiązania:
https://bibliotekanauki.pl/articles/30147093.pdf
Data publikacji:
2018
Wydawca:
Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
Tematy:
means of transport
dynamics of transport systems
elastic foundation
Opis:
The article presents the model research on impacts exerted by means of transport on the structures. In modelling the dynamics of transport systems the dynamic properties of the ground forming the foundation soil for tracks or roadways have been taken into account. The ground has been modelled as an elastic half-space. The dynamics of an infinite mass band being in contact with an elastic half-space has been investigated. As part of the research on impacts exerted by means of transport on structures a model of a problem has been examined where an automotive vehicle, representing a concentrated force in motion, is in contact with a roadway described as a rigid body coupled with an elastic half-space. It has been demonstrated that a surface (Rayleigh) wave propagates in the ground, being a continuous (elastic) medium, and acts on a structure modelled as a rigid body. The research results have been presented in the form of vertical and horizontal transmittances of the ground for different frequencies of loading with different unit forces.
Źródło:
Scientific Journal of the Military University of Land Forces; 2018, 50, 2(188); 162-175
2544-7122
2545-0719
Pojawia się w:
Scientific Journal of the Military University of Land Forces
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transperitoneal transport dynamics of methotrexate in vitro: tissue and diffusion barriers
Autorzy:
Czyzewska, K
Powiązania:
https://bibliotekanauki.pl/articles/69773.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Fizjologiczne
Tematy:
transport dynamics
diffusion barrier
anticancer drug
transport asymmetry
in vitro
methotrexate
intraperitoneal pharmacotherapy
mesothelial barrier
peritoneal membrane
intraperitoneal chemotherapy
ovarian cancer
rabbit
tissue
Źródło:
Journal of Physiology and Pharmacology; 1995, 46, 2
0867-5910
Pojawia się w:
Journal of Physiology and Pharmacology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Growth rate and cyclical fluctuations in transport. A simple model
Autorzy:
Dorosiewicz, S.
Powiązania:
https://bibliotekanauki.pl/articles/409238.pdf
Data publikacji:
2018
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
transport
dynamics
cyclical fluctuations
Opis:
The paper contains a preliminary study of the transport market dynamics model, including its cyclical fluctuations. An additional goal is to enable a quantitative examination of the impact of transport congestion on the economic development and the effects of underinvestment in transport.
Źródło:
Research in Logistics & Production; 2018, 8, 4; 339-349
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assigment of maximal acceleration of a car as a function of some independent variables
Autorzy:
Drąg, Ł.
Adamski, W.
Brzozowska, L.
Powiązania:
https://bibliotekanauki.pl/articles/242214.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
modelling
vehicle dynamics
traffic flow
Opis:
The procedure for calculation of a car maximal acceleration during speeding up with changing shifts of a gearbox in dependence on several independent parameters has been presented in the paper.  The parameters taken into consideration are the angle of a road slope and the additional vehicle load. The maximal acceleration for investigated vehicle category has been calculdted on the basis of many numerical simulations. During these simulations the dynamics of vehicle motion has been modelled for different road conditions. In order to approximate the results of acceleration the power polynomials were applied.  The least sąuare method has been used in calculations of polynomial coefficients. The results of modelling of the vehicles dynamics concern two passenger cars and one heavy duty car. Simulations of speeding up were obtained using the model of vehicle dynamics. Especially, model of vehicle, the traction characteristic of the passenger car with SI engine, the maximal driving force on  wheels during vehicle acceleration calculated on the basis of traction characteristic,   the maximal acceleration of the passenger cars and according to the model of vehicle dynamics during speeding up with changing shifts of a gearbox in dependence on different parameters of road slope and vehicle load are presented in the paper.
Źródło:
Journal of KONES; 2009, 16, 3; 85-92
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of mass changes of flying objects on their dynamic features
Autorzy:
Wiśniewski, W.
Powiązania:
https://bibliotekanauki.pl/articles/246227.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
air transport
dynamics features
resonance researches
mass loss
Opis:
The aim of this work is the experimental study of the weight loss impact on the properties of flying objects. Work is hased on the results of resonance tests of the helicopter, gliders and military aircraft. In the presented flying objeets group the possible occurrence of weight losses during the flight are up to 50%. The paper posed the following questions: How big can be, in practice, the weight loss during the flight? To which resonance the mass loss has the greatest impact? How and by what rules the map of resonances changes? Does in the process of weight loss there are other, worth-knowing events? Gliders, airplanes and a helicopter were investigated in the Resonance Test Laboratory of Institute of Aviation. The author has organized and for over 20 years led the Resonance Test Laboratory at the Institute of Aviation, in which he made or directed the investigations of dozens of aircraft, gliders, helicopters and their elements and components. Effect of weight loss on the flying objeets properties is one of several ,,unusual" research topics phenomena, which the author observed during a standard resonance tests. The resonance of the mode shape of Jantar 15 glider, comparison of the relative increase in the frequencies of the resonances with mode shape for SZD-50 Jantar 15-2 and IS-2 Revelation gliders, results of investigations of the underwing stores loss of mass impact on the „Pattem" aircraft resonances freąuencies, the resonance frequency of the 1-22 Iryda aircraft are presented in the paper. The resonance of the mode shape of Jantar 15 glider, comparison of the relative increase in the frequencies of the resonances with mode shape for SZD-50 Jantar 15-2 and IS-2 Revelation gliders, results of investigations of the underwing stores loss of mass impact on the ,,Pattern" aircraft resonances frequencies, the resonance frequency of the 1-22 Iryda aircraft are presented in the paper.
Źródło:
Journal of KONES; 2010, 17, 4; 591-598
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An assessment of trailer suspension dynamic behavior via vibration measurements
Autorzy:
Hunicz, J.
Koszałka, G.
Golec, M.
Taratuta, L.
Powiązania:
https://bibliotekanauki.pl/articles/241829.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
road transport
exceptional transport
semi-trailer
vibration measurements
suspension dynamics
Opis:
A dynamic response of a semi-trailer suspension to a real road profile under two different loads was investigated in this study. The trailer was a low loader for transporting heavy and large loads which configuration could be adjusted to the current needs. During the described investigation the vehicle was composed of: detachable gooseneck, maximally extended low bed and 5 hydraulically steered axles comprised 2-axle and 3-axle assemblies. The experiments were performed for unloaded and loaded with 60 tons trailer, that was equal to maximum trailer pay load. Acceleration measurements at unsprung and sprung parts of the vehicle were applied. As a test surface a railway track crossing was chosen. Acceleration time series were analysed by the means of power spectral density. The isolation of free vibration and forced vibration frequencies and effectiveness of suspension damping over wide frequency range was done. Two characteristic signal bands were identified. In the frequency range up to 10 Hz vehicle vibration energy decreased for the load increase for both, sprung and unsprung parts. In contrast, in the range between 10 and 25 Hz at higher load increase of vibration energy was noticed, however only at unsprung mass. Data analysis revealed complexity of vehicle vertical acceleration as a response to the road profile. Nevertheless, it allowed for estimation of the trailer dynamic loads under real road conditions.
Źródło:
Journal of KONES; 2012, 19, 4; 333-338
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High speed rail - the current challenge to Polish rail transport
Autorzy:
Karaś, S.
Krasnowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/246544.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
rail transport
high-speed rail
bridges
HSR
dynamics
Opis:
The increase of the role of rail transport in comparison with road and air ones was an important task for transport engineering in western Europe and Japan in the 1970s. Now the problem is not completely closed but the majority of the establishments formed in the beginning were successively solved. The main assumptions could be grouped into environmental protection and sustainability, decreasing the travel time connected with accessibility, safety, comfort for passengers, considering freight transport, as well. The high speed of the moving train was the main criteria of any engineer approach i.e. from the point of view of energy safety, limiting pollution, ability to transport thousands of people and tons of cargo. High Speed Rail - (HSR) means the speed between 250 to 400 km/h. This divides tracks into two groups: ordinary tracks and special ones, which results in two possible ways: adopting existing tracks or building new railways. Recently the program of HSR has been decided to put in motion in Poland. The situation here was very complicated. Many abandons such as complete lack of road highways, backwardness in air transport as well as rail transport, which means abandons in track conditions and rolling stock. At least, actually no existing haulage transport. In those circumstances, any rational first step was to be taken i.e. a technical diagnosis and an estimation of the existing railway system including culverts and bridges as important elements of trucks. The paper presented here contains a short survey of statical and dynamical field test results and FEM analyses as an extension to the train speeds 1.2ź350 = 420 km/h.
Źródło:
Journal of KONES; 2012, 19, 3; 203-212
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of flight dynamics of an airplane encountering trailing vortices generated by another airplane
Autorzy:
Czechowicz, B.
Kowaleczko, G.
Nowakowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/248149.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
air transport
airplane
airplane flight dynamics
trailing vortices
Opis:
This paper presents method of flight dynamics modelling for aircraft encountering trailing vortices generated by other airplane. The mathematical model of 6-DOF spatial motion was applied. Aerodynamic forces produced by a wing were calculated using strip theory method – the wing was divided into a series of chordwise strips and contribution of each strip in these forces was determined. Local angle of attack for each strip was determined taking into account an influence of trailing vortices. Exemplary results of simulations for the case of two straight vortices encountered by aircraft are shown. Incremental contributions to aerodynamic forces and moments of all strips are summed. Model and description of trailing vortices, induced velocity inside the vortex, induced velocity outside the vortex, model of motion dynamics, equations of motion, airplane forces, moments acting on the airplane, aerodynamic forces and moments, trailing vortex effect on the airplane are presented in the paper. In particular, pair of straight trailing vortices, induced velocity for Rankine vortex, strip model of the wing, angle of attack for the strip, airplane pitch angle, bank angle, altitude, trajectory are illustrated.
Źródło:
Journal of KONES; 2012, 19, 1; 41-50
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamic stability criterion for the evaluation of a steel industrial hall with internal transport
Dynamiczne kryterium oceny stateczności stalowej hali przemysłowej z transportem wewnętrznym
Autorzy:
Pawlak, U.
Szczecina, M.
Powiązania:
https://bibliotekanauki.pl/articles/104205.pdf
Data publikacji:
2017
Wydawca:
Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:
steel hall
internal transport
stability
dynamics
hala stalowa
transport wewnętrzny
stateczność
dynamika
Opis:
The paper presents the problem of dynamic criterion of stability loss of industrial hall with internal transport. The analysis was performed with finite element method. As a result of the calculation the relationship of eigenfrequency and axial compressive force was presented. On the basis of these results fundamental recommendations formulated for designers of steel halls with internal transport.
W referacie przedstawiono zagadnienie dynamicznej utraty stateczności hali stalowej z transportem wewnętrznym. Analizę przeprowadzono metodą elementów skończonych. Jako wynik obliczeń przedstawiono zależność częstości drgań własnych konstrukcji od siły ściskającej w słupach konstrukcji. Na podstawie wyników analizy sformułowano podstawowe zalecenia dla projektantów konstrukcji hal stalowych z transportem wewnętrznym.
Źródło:
Czasopismo Inżynierii Lądowej, Środowiska i Architektury; 2017, 64, 2/I; 87-96
2300-5130
2300-8903
Pojawia się w:
Czasopismo Inżynierii Lądowej, Środowiska i Architektury
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Flow-Altering Countermeasures for Scour at Vertical-Wall Abutment
Autorzy:
Radice, A.
Lauva, O.
Powiązania:
https://bibliotekanauki.pl/articles/241252.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
local scour
abutment
process dynamics
flow-altering countermeasures
sediment transport
Opis:
Results are presented for clear-water scour experiments at a vertical-wall abutment where the obstacle was modified with slots or roughening elements as flow-altering countermeasures against the erosion process. The laboratory campaign comprehended an initial experiment with an unprotected obstacle, two experiments with slots above and beneath the non-scoured bed level, respectively, and one experiment with a roughened abutment. The repeatability of the experiments was checked and found satisfactory. The measured data set consisted of (i) scour depth with time; (ii) geometry of the erosion hole; and (iii) sediment motion pattern at several evolution stages of the process. A novel feature of the work was the attempt to combine evidence on the scour depth and that on sediment motion so as to shed light on the mechanism of scour reduction by the countermeasures tested. It is argued that this strategy might furnish guidelines for future extensive investigations of scour countermeasures, aimed at finding optimal design solutions.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2012, 59, 3-4; 137-153
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Storage of hydrogenous gas in geological formations: self-organisation methane gas
Autorzy:
Toleukhanov, A.
Kaltayev, A.
Panfilov, M.
Powiązania:
https://bibliotekanauki.pl/articles/298661.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
porous media
hydrogen
reactive transport
bacteria
neuston
chemotaxis
population dynamics
oscillations
Opis:
In the case of producing large amounts of hydrogenous gas, currently there are no problems related to basic techniques of hydrogen production and distribution, but the main technological problem will consists of storing it in order to regulate the difference between permanent or increasing gas production and seasonally modulated gas consumption. The most efficient and most inexpensive method of storing large amounts of hydrogen is to inject them in geological formations like aquifers, depleted gas reservoirs, or salt caverns (Zittel and Wurster 1996). The cost is of order $ 3.5 per 1 GJ (Taylor et al. 1986). Several underground storages of hydrogen (USH) or town gas exist in the word, as for instance, Teeside in the UK, in Texas, in Russia, Kiel in Germany, Lobodice in Czechoslovakia, Beynes - an ex-storage in France. During several tens of years the storage of hydrogen was considered as something deja-vu, to be similar to that of natural gas, which is amplified by the chemical inactivity of hydrogen and its very low solvability in groundwater [Bulatov 1979; Carden and Paterson 1979; Lindblom 1985; Paterson 1983]. Nevertheless, quite unusual behaviour of UHS was discovered by in situ monitoring of the gas composition extracted during the cycle "production" which followed the cycle "injection". These observations (Smigai et al. 1990; Buzek et al. 1994) revealed high variations of gas composition in time and space. In particular, a significant reduction in the H2 and CO2 contents and a simultaneous increase in CH4 contents were observed in the Lobodice town gas storage facility (Smigai et al. 1990). Similar phenomena were recorded in Beynes. After several months of injection and storage, at the beginning of the cycle "production" the twofold increase of the methane contents in the reservoir gas and the twofold reduction of the CO2 CO contents was observed. The contents of hydrogen decreased by 1.4. The explanation to these observations has been done in (Buzek et al. 1994) in terms of the in situ methane generators by methanogenic bacteria which catalyse the reaction between hydrogen and CO2/CO, by producing methane and water. Further observations have revealed even more unusual effects within the storage facility, such as creating a spatial alternation of the areas saturated preferably by hydrogen or methane. This proved an in situ natural separation of chemical components in space. Thus, we are dealing with a natural reactor which partially destroys CO2 and H2 and doubles the mass of methane. It is clear that the problem is important for industry as it concerns both the energy sector and ecology. The resulting economical efficiency of such a process can be estimated only after the physical and mathematical modeling of all possible scenarios of the reservoir behaviour. The development of such a model represents the main objective of this paper.
Źródło:
AGH Drilling, Oil, Gas; 2013, 30, 1; 241-245
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Virtual ship’s roll decay test with the use of CFD technique
Autorzy:
Krata, P.
Jachowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/243570.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
sea transport
ship stability
roll simulation
roll decay test
computational fluid dynamics
Opis:
Since safety of navigation is related to the stability performance of a ship, the transverse stability is routinely calculated and measured. One of the crucial experimental approach is a roll decay test. Although, an obtained result of the roll decay test carried out on the full-scale ship needs to be compared to a benchmark enabling an estimation of the relevant stability. Nowadays such a benchmark is just based on the simplified GM-based IMO-recommended formula. This research aims at the more sophisticated method of ship’s natural period of roll estimation and thus her stability assessment. The CFD (computational fluid dynamics) technique is applied and the result of the free roll simulation is compared to the solution of a roll equation. The one degree-of-freedom roll equation is applied with regard to the nonlinear ship righting moment and the nonlinear damping moment obtained according to Ikeda’s method. The six degrees-of-freedom simulation of ship’s roll decay test was carried out by the use of FlowVision code utilizing the Reynolds-averaged Navier–Stokes equation with regard to the turbulent flows based on the eddy viscosity concept. The semi-empirical k-ε turbulence model was applied. Thereby, the CFD-based approach allows to get rid of any assumptions regarding the value of the damping coefficient, which is an advantage over the roll equation based approach.
Źródło:
Journal of KONES; 2016, 23, 2; 215-221
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ion Move Brownian Dynamics (IMBD) : Simulations of Ion Transport
Autorzy:
Kurczyńska, M.
Kotulska, M.
Powiązania:
https://bibliotekanauki.pl/articles/307444.pdf
Data publikacji:
2014
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
dynamika
transport jonów
potas
model jakości
alpha-hemolysin
Brownian dynamics
ion transport
potassium channel
model quality assessment
Opis:
Purpose: Comparison of the computed characteristics and physiological measurement of ion transport through transmembrane proteins could be a useful method to assess the quality of protein structures. Simulations of ion transport should be detailed but also time-efficient. Methods: The most accurate method could be Molecular Dynamics (MD), which is very time-consuming, hence is not used for this purpose. The model which includes ion-ion interactions and reduces the simulation time by excluding water, protein and lipid molecules is Brownian Dynamics (BD). In this paper a new computer program for BD simulation of the ion transport is presented. We evaluate two methods for calculating the pore accessibility (round and irregular shape) and two representations of ion sizes (van der Waals diameter and one voxel). Results: Ion Move Brownian Dynamics (IMBD) was tested with two nanopores: alpha-hemolysin and potassium channel KcsA. In both cases during the simulation an ion passed through the pore in less than 32 ns. Although two types of ions were in solution (potassium and chloride), only ions which agreed with the selectivity properties of the channels passed through the pores. Conclusions: IMBD is a new tool for the ion transport modelling, which can be used in the simulations of wide and narrow pores.
Źródło:
Acta of Bioengineering and Biomechanics; 2014, 16, 4; 107-115
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przykład zastosowania programu Enterprise Dynamics do rozwiązywania wybranych problemów komunikacji publicznej
Example of the application of the Enterprise Dynamics software for solving the selected public communication problems
Autorzy:
Dobrzańska, M.
Dobrzański, P.
Śmieszek, M.
Powiązania:
https://bibliotekanauki.pl/articles/310033.pdf
Data publikacji:
2017
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
transport miejski
transport pasażerski
infrastruktura transportowa miasta
pętla autobusowa
Enterprise Dynamics
badania symulacyjne
efektywność transportu
city transport
passenger transport
city transport infrastructure
bus terminus
simulation tests
transport efficiency
Opis:
Prawidłowo funkcjonujące i rozwijające się miasto wymaga sprawnego transportu. W ruchu miejskim dominujący jest transport pasażerski, na który składa się transport publiczny i indywidualny. Transport publiczny powinien być jednak konkurencyjny w stosunku do indywidualnych środków transportu. Jednym z elementów zapewniających sprawne funkcjonowanie transportu publicznego jest jego infrastruktura. W artykule przedstawiono analizę funkcjonowania wybranego fragmentu infrastruktury transportu zbiorowego. Istnieje wiele programów służących do symulacji procesów transportowych. Ze względu na istotne podobieństwo zachodzących procesów w pętli autobusowej i transporcie wewnętrznym postanowiono wykorzystać do rozwiązania problemu program Enterprise Dynamics. W tym celu opracowano przy wykorzystaniu programu Enterprise Dynamics model analizowanego obiektu i na podstawie przeprowadzonych badań symulacyjnych przeprowadzono szereg analiz dotyczących jego funkcjonowania.
A properly functioning and developing city requires efficient transportation. Urban transport is dominated by passenger transport, which consists of public and private transport. However, public transport should be competitive with individual means of transport. One of the elements ensuring smooth functioning of public transport is its infrastructure. The article analyzes the functioning of the chosen part of the public transport infrastructure. For this purpose, Enterprise Dynamics software was used to develop the model of the analyzed object. A number of analyzes have been carried out on the basis of the simulations.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 12; 1490-1493, CD
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł

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