@misc{Witkowski_Zbigniew_J._Words_1999,
 author={Witkowski, Zbigniew J.},
 volume={55},
 number={3},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1999},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Words and action},
 URL={http://rcin.org.pl/Content/75801/PDF/KR038_95944_r1999-t55-no3_ChPO-Witkowski-95.pdf},
 keywords={introduction, reintroduction, restitution},
}