@misc{Jakubiec_Zbigniew_"Pro_1991, author={Jakubiec, Zbigniew}, volume={47}, number={4}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, journal={Let's protect Our Indigenous Nature}, howpublished={online}, year={1991}, publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences}, language={pol}, type={Text}, title={"Pro Natura" - the Polish Association of the Friends of Nature has come into being}, URL={http://rcin.org.pl/iop/Content/68953/PDF/KR038_88219_r1991-t47-no4_ChPO-Jakubiec-56-57.pdf}, keywords={Polish Association of the Friends of Nature, pro Natura}, }