@ARTICLE{Heffner_Krystian_Directions_2014, author={Heffner, Krystian}, number={vol. 39}, journal={Studia Regionalia}, howpublished={online}, year={2014}, publisher={Polish Academy of Sciences – Committee for Spatial Economy and Regional Planning and European Regional Science Association (ERSA) Polish Section}, title={Directions ofChanges in the Development ofPolish Rural AreasEntering into European Rural Space}, URL={http://ochroma.man.poznan.pl/Content/98195/mainfile.pdf}, }