|
Macfadden Bj,. (1976). Cladistic analysis of primitive equids, with notes on other perissodactyls. Syst Zool, 25, 1.14.
|
|
|
Rzasnicki A Py,. (). Complete list of the specimens of skeletons and skins of Equus quagga quagga preseved in the museum of the whole world in 1939. Ann Mus Zool Polonica, 14, 69–73.
|
|
|
Doreau M,. (1978). Comportement alimentaire du cheval à l`écurie. Ann Zootech, 27, 291–302.
|
|
|
Linzell Jl, K. J. (1966). Composition of zebra milk. Int Zoo Yearb, 6, 262.
|
|
|
Ridgeway W,. (1909). Contributions to the study of the Equidae; the differentation of the three species of zebras. Proc Zool Soc Lond, , 547–586.
|
|
|
Klimov, V., & Orlov, V. M. (1982). Current status and problems of conservation of Przewalski's horse (Equus przewalskii). J. Zool., London, 61(12).
|
|
|
Schneider M Py -1934,. (). Das Flehmen, I und V. Zool. Garten., 3, 183–198;.
|
|
|
Noack T,. (1893). Das Quagga. Zool. Garten., 34, 289–297.
|
|
|
Klingel, H. (). Das Verhalten der Pferde (Equidae). Handb. o. Zool., 8(10), 1–68.
|
|
|
Mohr E,. (1933). Das Waldroß der Insel Gotland. Zool. Garten., 6, 83–96.
|
|