@misc{Jasnowski_Mieczysław_(1920–1993)_The_1977, author={Jasnowski, Mieczysław (1920–1993)}, volume={33}, number={3}, 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={1977}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, type={Text}, title={The actual state and plan for the protection of peatlands in Poland}, URL={http://www.rcin.org.pl/Content/70700/PDF/KR038_91358_r1977-t33-no3_ChPO-Jasnowski-18-29.pdf}, keywords={peatlands, Biebrza National Park}, }