@misc{Pinowski_Jan_Rola_1983,
 author={Pinowski, Jan and Pinowska, Barbara},
 volume={29},
 editor={Polska Akademia Nauk. Komitet Ekologii},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Wiadomości Ekologiczne},
 howpublished={online},
 year={1983},
 publisher={Państwowe Wydawnictwa Naukowe},
 language={pol},
 type={Text},
 title={Rola ptaków w obiegu materii w ekosystemach},
 URL={http://www.rcin.org.pl/Content/205653/PDF/WA058_148329_P3259-29_Eko-Pol-B.pdf},
 keywords={birds, matter cycling, ecosystems, cycling of matter in ecosystems, biogeochemical cycles},
}