@misc{Banaszak_Józef_Some_1980,
 author={Banaszak, Józef and Kasprzak, Krzysztof},
 volume={36},
 number={6},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1980},
 publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Some problems of the Wielkopolski (Major Poland) National Park},
 URL={http://www.rcin.org.pl/Content/156967/PDF/KR038_186392_r1980-t36-no6_ChPO-Banaszak-14-29.pdf},
 keywords={Wielkopolski National Park},
}