@misc{Pucek_Z._Some_1959,
 author={Pucek, Z.},
 volume={3},
 number={4},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1959},
 language={eng ; sum. eng ; pol},
 type={Text},
 title={Some biological aspects of the sex-ratio in the common shrew ( Sorex araneus araneus L.); Biologiczne aspekty stosunku płci u Sorex araneus araneus L},
 URL={http://rcin.org.pl/Content/7981/PDF/BI002_2613_Cz-40-2_Acta-T3-nr4-43-72_o.pdf},
 keywords={proportion of age groups, sex-ratio, Sorex, Sorex araneus},
}