@misc{Witkowski_Zbigniew_Let_1971,
 author={Witkowski, Zbigniew},
 volume={27 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={1971},
 publisher={Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Let us safeguard the locality of the blooming ivy, Hedera helix L., in the Ojców National Park},
 URL={http://rcin.org.pl/Content/70695/PDF/KR038_91055_r1971-t27-no1_ChPO-Witkowski-38-39.pdf},
 keywords={ivy (plant), Ojców National Park, Hedera helix},
}