found: Work cat.: 79980688: Dirschl, H.J. Grevy's zebra abundance and distribution in Kenya, 1977.
found: Stelfox, J.G. Grevy's zebra survey in north central Kenya, October 16-18, 1979, 1979.
found: Ngatia, M. Densities and distributions of Grevy's zebra in four ... 1980.
found: Mammal species of the world, 1993:p. 370 (Equus grevyi)
found: Corbet, G.B. A world list of mammalian species, 1991:p. 123 (Equus grevyi, Grevy's zebra)
found: Walker mamm. world:v. 2, p. 1304 (Equus grevyi, Grevy's zebra)
found: Web. 3(Grévy's zebra)
found: Wikipedia, Aug. 29, 2013(The Grévy's zebra (Equus grevyi), also known as the imperial zebra, is the largest extant wild equid and the largest and most endangered of the three species of zebra, the other two being the plains zebra and the mountain zebra.)
found: Animal diversity web, Aug. 29, 2013(Equus grevyi, Grevy's zebra)
found: ITIS, Aug. 29, 2013(Equus grevyi - valid - Grevy's zebra)
