@misc{_Let’s_1987, volume={43}, number={4}, 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={1987}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, title={Let’s protect Our Indigenous Nature Vol. 43 issue 4 (1987)}, type={Text}, }