@misc{Zając_Tadeusz_Selection_1995,
 author={Zając, Tadeusz},
 volume={30},
 editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1995},
 publisher={Muzeum i Instytut Zoologii PAN},
 language={eng},
 language={pol},
 type={Text},
 title={Selection on laying date in the blue tit Parus caeruleus and the great tit Parus major caused by weather conditions},
 URL={http://rcin.org.pl/Content/42924/PDF/WA058_60512_P257-T30_Acta-Ornith-Nr-2-5.pdf},
 keywords={Great Tit, Blue Tit, breeding biology, effect of meteorological conditions, timing of broods, selection, birds, Parus major, Parus caeruleus, Paridae, Aves},
}