@article{d0f434d2-c86f-4365-8c95-86f11af7885f, author = {Michał Beim, Radosław Bul}, title = {Wprowadzenie}, journal = {Prace Komisji Geografii Komunikacji PTG}, volume = {2021}, number = {24 (1)}, year = {2021}, issn = {1426-5915}, pages = {5-6},keywords = {}, abstract = {}, doi = {}, url = {https://ejournals.eu/czasopismo/pkgkptg/artykul/wprowadzenie-47} }