|
Rau Re,. (1978). Additions to the revised list of preserved material of the extinct Cape colony quagga and notes on the relationship and distribution of southern plains zebras. Ann S Afr Mus, 77, 27–45.
|
|
Rau Re,. (1981). Zur Geschichte und Präparation der Mainzer Quaggas. Mainzer Naturw Archiv, 19, 221–236.
|
|
Rau Re,. (1986). The quagga and its kin. Sagittarius 1, , 8–10.
|
|
Reichholf J,. (1984). Funktion und evolution des Streifenmusters bei den zebras. Säugetierk Mitt, 32, 89–95.
|
|
Ridewood Wg,. (1901). Exhibition of, and remarks upon some microscopic preparations of the hairs of Antelopes, Giraffe and Zebra. Proc Zool Soc Lond, 2(1), 3.
|
|
Ridewood Wg,. (1901). On the hairs of Equus Burchelli and E. Zebra Proc Zool Soc Lond, 1, 87–88.
|
|
Ridgeway W,. (1909). Contributions to the study of the Equidae; the differentation of the three species of zebras. Proc Zool Soc Lond, , 547–586.
|
|
Robbie J,. (). Wild ass in northern province. Sudan Wild Life & Sport, 26, 27.
|
|
Robertshaw D, T. C. (1969). Sweat gland function of the donkey. J Physiol, 205, 79–89.
|
|
Robinson Dw, S. L. (1974). The current status of knowledge on the nutrition of equines. J Anim Sci, 39, 1045–1066.
|
