Zebras, Asses, and Horses: An Action Plan for the Conservation of Wild Equids. Edited by P. Duncan and ZIUCN/SSC Equid Specialist Group. Washington, DC: Island Press, 1992.

Zebras, Asses, and Horses: An Action Plan for the Conservation of Wild Equids. Edited by P. Duncan and ZIUCN/SSC Equid Specialist Group. Washington, DC: Island Press, 1992.