@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/Content/68953/PDF/KR038_88219_r1991-t47-no4_ChPO-Jakubiec-56-57.pdf},
 keywords={Polish Association of the Friends of Nature, pro Natura},
}