@misc{Gries_R._Zoo_1928-1937,
 author={Gries, R.},
 editor={Rząśnicki, Adolf (1884–1953). Kolekcjoner},
 copyright={Rights Reserved - Restricted Access},
 howpublished={online},
 year={1928-1937},
 language={pol},
 title={Zoo Hellabrunn - Munich},
 keywords={mammals, hybrids, L. Ruhe, horse family, Mammalia, Equidae, Hartman's zebra, Chapman's zebra, boehm's zebra, mountain zebra, Grant's zebra, zebroid, zebra stallion "Matopo", Equus zebra zebra, photograps of animals, breeding centers, zebras, zoo, zoo animals, Munich (Germany)},
}