@misc{Wesołowski_Tomasz_(1950–_)_Polygyny_1987,
 author={Wesołowski, Tomasz (1950– )},
 volume={23},
 editor={Polska Akademia Nauk. Instytut Zoologii},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1987},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={rus},
 language={pol},
 type={Text},
 title={Polygyny in three temprate forest Passerines (with a critical reevaluation of hypotheses for the evolution of polygyny)},
 URL={http://rcin.org.pl/miiz/Content/41735/PDF/WA058_57183_P257-T23_Acta-Ornith-Nr-2-4.pdf},
 keywords={Wren, Northern Wren, Eurasian Winter Wren, Eurasian Wren, Chiffchaff, breeding biology, Poland, Wood Warbler, Białowieski National Park, Białowieża National Park, wrens, birds, polygamy, Phylloscopus collybita, Phylloscopus sibilatrix, Troglodytes troglodytes, Sylviidae, Troglodytidae, Aves},
}