@article{a57d7f75-3026-4529-8d1b-33aa09cd0c67, author = {Maciej Tarkowski}, title = {Wprowadzenie}, journal = {Prace Komisji Geografii Komunikacji PTG}, volume = {2020}, number = {23 (1)}, year = {2020}, issn = {1426-5915}, pages = {5-7},keywords = {}, abstract = {}, doi = {}, url = {https://ejournals.eu/czasopismo/pkgkptg/artykul/wprowadzenie-39} }