@misc{Rząśnicki_Adolf_(1884–1953)_Zebras_1951,
 author={Rząśnicki, Adolf (1884–1953)},
 volume={14},
 number={16},
 editor={Państwowe Muzeum Zoologiczne},
 copyright={Public Domain},
 address={Warszawa},
 journal={Annales Musei Zoologici Polonici},
 howpublished={online},
 year={1951},
 publisher={nakł. Państwowego Muzeum Zoologicznego},
 language={eng},
 language={pol},
 title={Zebras and quaggas},
 type={Text},
 URL={http://rcin.org.pl/miiz/Content/40614/PDF/WA058_1626_P255-t14-z16_Ann-Zool.pdf},
 keywords={plains zebra, mountain zebra, Grevy's zebra, classification, hybrids, horse family, mammals, Equus quagga, Equus zebra, Equus grevyi, Equidae, Mammalia},
}