@misc{Rząśnicki_Adolf_(1884–1953)_Beitrag_1931,
 author={Rząśnicki, Adolf (1884–1953)},
 editor={Państwowe Muzeum Zoologiczne},
 copyright={Public Domain},
 address={Warszawa},
 address={(Warszawa)},
 journal={Annales Musei Zoologici Polonici},
 howpublished={online},
 year={1931},
 publisher={nakładem Państwowego Muzeum Zoologicznego},
 publisher={(Druk. i Lit. "Jan Cotty")},
 language={ger},
 language={pol},
 title={Beitrag zur Kenntnis der Zebrahybriden},
 type={Text},
 URL={http://rcin.org.pl/miiz/Content/30355/PDF/WA058_1476_P255-t9-z11_Ann-Zool.pdf},
 keywords={horse, donkey, zebra, hybrids, mammals, horse family, grevy's zebra, mountain zebra, african wild ass, imperial zebra, onager, Mammalia, Equidae, Hippotigris zebra frederici, Equus zebra zebra, Equus grevyi, Equus quagga, quagga, Equus caballus, Equus asinus, Equus hemionus},
}