@misc{Pytel_S._Bisoniana_1977,
 author={Pytel, S. and Krasińska, M. and Węgrzyn, M.},
 volume={22},
 number={7},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1977},
 language={eng ; sum. eng. ; pol},
 type={Text},
 title={Bisoniana LXV. Morphology of the Spleen in the European Bison and Its Hybrids with Domestic Cattle},
 URL={http://www.rcin.org.pl/Content/10488/PDF/BI002_2613_Cz-40-2_Acta-T22-nr7-140-149_o.pdf},
 keywords={Bison bonasus, hybrids, Bos taurus x Bison bonasus, cattle, spleen morphology, morfologia śledziony, hybrydy, bydło domowe, żubr},
}