@misc{Olech_W._Bisoniana_1987,
 author={Olech, W.},
 volume={32},
 number={22},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1987},
 language={eng ; sum. eng. ; pol.},
 type={Text},
 title={Bisoniana XCVIII. Analysis of inbreeding in European bison},
 URL={http://www.rcin.org.pl/Content/11235/PDF/BI002_2613_Cz-40-2_Acta-T32-nr22-373-387_o.pdf},
 keywords={Bison bonasus, inbreeding, inbred, rodowód, żubr},
}