@misc{Kuźniak_Stanisław_Nature_1981,
 author={Kuźniak, Stanisław},
 volume={37},
 editor={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 number={3},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Warszawa},
 address={Kraków},
 howpublished={online},
 year={1981},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Nature conservation in the province of Leszno},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/83748/PDF/KR038_103703_r1981-t37-no3_ChPO-Kuzniak-42-51.pdf},
}