@misc{Jakubiec_Zbigniew_Przedmowa_1991,
 author={Jakubiec, Zbigniew},
 volume={Nr 37},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Studia Naturae},
 howpublished={online},
 year={1991},
 publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 language={pol},
 language={eng},
 type={Text},
 title={Przedmowa},
 title={Preface},
 URL={http://rcin.org.pl/Content/117807/PDF/KR038_120499_r1991-t37A-2_SN-Jakubiec-7-9.pdf},
 keywords={White Stork - Poland, Ciconia ciconia},
}