@misc{Heffner_Krystian_Studia_2016, author={Heffner, Krystian and Klemens, Brygida}, volume={42}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, journal={Studia Obszarów Wiejskich}, howpublished={online}, year={2016}, publisher={PAN IGiPZ}, publisher={PTG}, language={pol}, type={Text}, title={Studia Obszarów Wiejskich = Rural Studies, t. 42, Wprowadzenie}, URL={http://www.rcin.org.pl/Content/61611/PDF/WA51_80930_r2016-t42_SOW-Wprowadzenie.pdf}, keywords={Geography, Spatial and Regional Planning}, }