@misc{_Natural_2006, editor={Degórski, Marek. Red.}, copyright={Rights Reserved - Free Access}, address={Warsaw}, howpublished={online}, year={2006}, publisher={Stanisław Leszczycki Institute of Geography and Spatial Organization. Polish Academy of Sciences [etc.]}, language={eng}, title={Natural and human environment of Poland : a geographical overview}, type={Text}, URL={http://www.rcin.org.pl/Content/36223/PDF/WA51_45533_r2006_Natural-human-enviro.pdf}, keywords={physical geography, economy, society, natural environment, Poland}, }