@misc{Fedyk_S._Bisoniana_1971,
 author={Fedyk, S. and Sysa, P.},
 volume={16},
 number={30},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1971},
 language={eng ; Sum. ang ; pol.},
 type={Text},
 title={Bisoniana XLV. Chromosomes of European bison, domestic cattle and their hybrids},
 URL={http://www.rcin.org.pl/Content/9825/PDF/BI002_2613_Cz-40-2_Acta-T16-nr30-465-470_o.pdf},
 keywords={Bison bonasus, Bos taurus, Bos taurus x Bison bonasus, cattle, chromosomes, hybrids, sterility, chromosomy, żubr, bydło domowe, hybryda},
}