%N 6 %B Liberalization of Transportation Services in the EU: the Polish Perspective %E Andrzej Cie?lik %E Jan Jakub Micha?ek %L eprints2751 %D 2015 %A Jan Hagemejer %A Armando Rungi %S Polish Studies in Economics %I Peter Lang %P 47-108 %T Transportation services and global value chains