Kloch, M., ?yczy?ski, A., Olech, W. and Nowak-?yczy?ska, Z. (2021) “Cytogenetic study of the Bison bonasus; I: Identification of heterochromatic regions and NORs in European bison karyotype and comparison with domestic cattle (Bos taurus)”, Caryologia, 73(4), pp. 3–9. doi: 10.13128/caryologia-660.