@misc{Witkowski_Zbigniew_An_1988,
 author={Witkowski, Zbigniew},
 volume={44},
 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},
 address={Warszawa},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1988},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={An alarm raised on behalf of the Bieszczady National Park},
 URL={http://rcin.org.pl/Content/71447/PDF/KR038_91091_r1988-t44-no3_ChPO-Witkowski-5.pdf},
 keywords={Bieszczady National Park},
}