@misc{Anderson_S._S._Greyseal,_1987,
 author={Anderson, S. S. and Fedak, M. A.},
 volume={211},
 copyright={Prawa zastrzeżone - dostęp ograniczony},
 journal={Journal of Zoology, Lond.},
 address={London},
 howpublished={online},
 year={1987},
 publisher={Wiley-Blackwell},
 language={eng},
 type={Tekst},
 title={Greyseal, Halichoerus grypus , energetics: females invest more in male offspring},
 keywords={Energetics, Female, Greyseal, Halichoerus grypus, Male, Offspring},
}