@misc{Pytel_S._Bisoniana_1976,
 author={Pytel, S. and Węgrzyn, M.},
 volume={21},
 number={2},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1976},
 language={eng ; Sum. ang ; pol.},
 type={Text},
 title={Bisoniana LX. Morphology of the liver of European bison},
 URL={http://www.rcin.org.pl/Content/10320/PDF/BI002_2613_Cz-40-2_Acta-T21-nr2-18-30_o.pdf},
 keywords={Bison bonasus, liver, morphology, żubr, wątroba, morfologia},
}