@misc{Mohr_Erna_(1894–1968)_Fotografie_1931-1950,
 author={Mohr, Erna (1894–1968) and Rząśnicki, Adolf (1884–1953). Kolekcjoner and Żabiński, Jan (1897–1974) and Karpiński, Jan Jerzy (1896–1965) and Milczewski, G. (fot.)},
 editor={Rząśnicki, Adolf (1884–1953). Kolekcjoner},
 copyright={Rights Reserved - Restricted Access},
 howpublished={online},
 year={1931-1950},
 language={pol},
 title={Fotografie żubrów i bizonów},
 keywords={mammals, Mammalia, hybrids, Bison bonasus, wisent, european bison, european bison breeding, bison bison, american bison, breeding centers, zoo Warszawa, zoo Poznań, Białowieża (Poland), Niepołomice (Poland), Pszyczyna- Jankowice (Poland), Spała (Poland), Smardzewice (Poland), zoo Skansen, zoo Antwerpia, zoo Stellingen, zoo Leipzig, zoo Berlin, zoo Amsterdam, zoo Frankfurt, zoo Kopenhaga, zoo Hellabrun (Munich, Germany), Långsjån (Denmark), Boitzenburg (Germany), zoo animals, photograps of animals},
}