%B Liberalization of Transportation Services in the EU: the Polish Perspective %N 6 %A Jan Michalek %A Mahdi Ghodsi %A Armando Rungi %S Polish Studies in Economics %E Andrzej Cie?lik %E Jan Jakub Micha?ek %L eprints2750 %D 2015 %I Peter Lang %T The European transport system : major challenges %P 13-46