@misc{Kalemba_Andrzej_Changes_2002, author={Kalemba, Andrzej}, volume={58}, number={3}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, journal={Let's protect Our Indigenous Nature}, howpublished={online}, year={2002}, publisher={Institute of Nature Conservation Polish Academy of Sciences}, language={pol}, type={Text}, title={Changes in the number of nature reserves and national parks in 2001}, URL={http://rcin.org.pl/iop/Content/71460/PDF/KR038_89333_r2002-t58-no3_ChPO-Kalemba-95-102.pdf}, keywords={national parks, nature reserves}, }