Baumer, 1983. FAO/UNEP programme “Ecological Management of Arid and Semi-Arid Rangelands in Africa, Near and Middle East” (EMASAR Phase II), 270 p

Baumer, M., 1983. Notes on trees and shrubs in arid and semi-arid regions. FAO/UNEP programme “Ecological Management of Arid and Semi-Arid Rangelands in Africa, Near and Middle East” (EMASAR Phase II), 270 p