Kloch, M.; ?yczy?ski, A.; Olech, W.; Nowak-?yczy?ska, Z. 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 2021, 73, 3-9.