@misc{_Let’s_1993, volume={49}, number={1}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, journal={Let's protect Our Indigenous Nature}, howpublished={online}, year={1993}, publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences}, language={pol}, title={Let’s protect Our Indigenous Nature Vol. 49 issue 1 (1993)}, type={Text}, }