@misc{Profus_Piotr_Quantitative_1994,
 author={Profus, Piotr},
 volume={50},
 number={3},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1994},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Quantitative studies on White Stork Ciconia ciconia - methodological remarks},
 URL={http://www.rcin.org.pl/Content/113191/PDF/KR038_105396_r1994-t50-no3_ChPO-Profus-15-33.pdf},
 keywords={white stork, Ciconia ciconia},
}