%0 Journal Article
%T Introduction
%A Kowalczyk, Karol
%J Transport Geography Papers of Polish Geographical Society
%V 2017
%N 20 (4)
%P 5-6

%@ 1426-5915
%D 2017
%U https://ejournals.eu/en/journal/pkgkptg/article/wprowadzenie-22
%X