@misc{Witkowski_Zbigniew_Studia_1975,
 author={Witkowski, Zbigniew},
 volume={Nr 12A},
 editor={Research Centre for the Protection of Nature of the Polish Academy of Sciences},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 address={Kraków},
 journal={Studia Naturae},
 howpublished={online},
 year={1975},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Studia Naturae No. 12 (1975)},
 type={Text},
}