@misc{Michalik_Stefan_The_1990, author={Michalik, Stefan}, volume={46}, number={4-5}, editor={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, address={Kraków}, journal={Let's protect Our Indigenous Nature}, howpublished={online}, year={1990}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, type={Text}, title={The area of the Bieszczady National Park has been extended}, URL={http://www.rcin.org.pl/Content/84553/PDF/KR038_107697_r1990-t46-no4-5_ChPO-Michalik-51-53.pdf}, keywords={Bieszczady National Park}, }