@misc{Mohr_Erna_(1894–1968)_Zoo_1934-1950,
 author={Mohr, Erna (1894–1968) and Hvass, Hans (1902–1990) and Reventlow, Axel Christian (1894–1955)},
 editor={Rząśnicki, Adolf (1884–1953). Kolekcjoner},
 copyright={Rights Reserved - Restricted Access},
 howpublished={online},
 year={1934-1950},
 language={pol},
 title={Zoo Kopenhaga},
 keywords={hybrids, Equus grevyi, mammals, horse family, ssaki, Mammalia, Equidae, photograps of animals, breeding centers, zebras, zoo, zoo animals, zebra Grevy'ego, grevy's zebra, Grant's zebra, Boehm's zebra, Copenhagen (Dennmark)},
}