TY - JOUR A1 - Kamińska, Wioletta A1 - Heffner, Krystian PB - Polish Academy of Sciences – Committee for Spatial Economy and Regional Planning and European Regional Science Association (ERSA) Polish Section L1 - http://journals.pan.pl/Content/98194/mainfile.pdf L2 - http://journals.pan.pl/Content/98194 PY - 2014 IS - vol. 39 T1 - Introduction UR - http://journals.pan.pl/dlibra/publication/edition/98194 T2 - Studia Regionalia ER -