@misc{Czykier_E._Bisoniana_1999,
 author={Czykier, E. and Sawicki, B. and Krasińska, M.},
 volume={44},
 number={1},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1999},
 language={eng. ; sum. ang.},
 type={Text},
 title={Bisoniana 118. Postnatal development of the European bison spermatogenesis},
 URL={http://www.rcin.org.pl/Content/12908/PDF/BI002_2613_Cz-40-2_Acta-T44-nr8-77-90_o.pdf},
 keywords={Bison bonasus, postnatal development, European bison, histological structures, spermatogenesis, epididymis},
}