@misc{Olaczek_Romuald_The_1972,
 author={Olaczek, Romuald},
 volume={28 nowa seria},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1972},
 publisher={Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={The plant cover in the national parks and nature reserves becomes richer and richer in the species accompanying man},
 URL={http://www.rcin.org.pl/Content/80683/PDF/KR038_103408_r1972-t28-no1_ChPO-Olaczek-45-48.pdf},
}