@ARTICLE{Heffner_Krystian_Final_2013, author={Heffner, Krystian and Twardzik, Malgorzata}, number={vol. 37}, journal={Studia Regionalia}, howpublished={online}, year={2013}, publisher={Polish Academy of Sciences – Committee for Spatial Economy and Regional Planning and European Regional Science Association (ERSA) Polish Section}, title={Final conclusions}, URL={http://journals.pan.pl/Content/98179/mainfile.pdf}, }