@misc{Węgrzyn_M._Bisoniana_1968,
 author={Węgrzyn, M.},
 volume={13},
 number={12},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1968},
 language={eng ; sum . eng ; pol},
 type={Text},
 title={Bisoniana XXXVI. Blood-vascular system of the European bison. I. Morphology of the heart},
 URL={http://rcin.org.pl/Content/9643/PDF/BI002_2613_Cz-40-2_Acta-T13-nr12-177-218_o.pdf},
 keywords={Bison bonasus, blood vascular system, heart morphology},
}