|
|
Huntingford, F., & Turner, A. (1987). Animal Conflict.
|
|
|
|
Walters, J. R., & Seyfarth, R. M. (1987). Primate Societies.
|
|
|
|
Brown, J. L. (1987). Helping and Communal Breeding in Birds.
|
|
|
|
DOBRORUKA LJ et al,. (1987). An analysis of the population of Grevy's zebra. Int Zoo Yb, 26, 290–293.
|
|
|
|
Ginsberg, J. R. (1987). Social behavior and mating strategies of an arid adapted equid: the Grevy's zebra. Prnceton.
|
|
|
|
Glen-Leary J,. (1987). Stud book for zebras. Farmer's weekly, .
|
|
|
|
GODFREY D et al,. (1987). Zebra stripes and tiger stripes: the special frequency distribution of the pattern compared to that of the background is significant in disply and crysis. Biol J Linnean Soc, 32, 427–433.
|
|
|
|
Harley Eh,. (1987). The retrieval of the quagga.
|
|
|
|
Klingel H,. (1987). Unpaarhufer, Pferde. in Grzimek B (ed): Grzimeks Enzyklopädie Säugetiere, 4, 548–592, Kindler.
|
|
|
|
Mcinnis Ml, V. M. (1987). Dietary relationships among feral horses, cattle, and pronhorn in southeastern Oregon. J Range Mgmt, 40, 60–66.
|
|
