@misc{Pytel_S._M._Bisoniana_1969,
 author={Pytel, S. M.},
 volume={14},
 number={27},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1969},
 language={eng ; sum . eng ; pol},
 type={Text},
 title={Bisoniana XL. Morphology of digestive tract of the European bison},
 URL={http://rcin.org.pl/ibs/Content/9714/PDF/BI002_2613_Cz-40-2_Acta-T14-nr27-349-402_o.pdf},
 keywords={Bison bonasus, digestive tract, morphology},
}