@misc{Gromadzki_Maciej_Variability_1966,
 author={Gromadzki, Maciej},
 editor={Polska Akademia Nauk. Komitet Ekologiczny},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 howpublished={online},
 year={1966},
 language={eng},
 abstract={The character of variability of egg-length and egg-width of Turdus philomelos Br., T. merula L., Sturnus vulgaris L., Fringilla coelebs L., Coccothraustes coccothraustes (L.) and Garrulus glandarius (L.) was examined. The attention was given to the causes of irregular distribution of egg-length and to the lack of correlation between egg-length and egg-width.},
 type={Text},
 title={Variability of egg-size of some species of the forest birds},
 URL={http://www.rcin.org.pl/Content/69695/PDF/WA058_86137_P2840-T14_Eko-Pol-A-Nr-4.pdf},
 volume={14},
 number={4},
 journal={Ekologia Polska. Seria A},
 publisher={Państwowe Wydawnictwo Naukowe},
 keywords={Forest birds -- eggs, Aves},
}