Proceedings of the International Workshop on sand transport and desertification in arid lands 17-26 November 1985, Khartoum, Sudan - International Workshop on Sand Transport and Desertification in Arid Lands (1985 : Khortoum, Sudan).; El-Baz, F.; El-Tayeb, I. A.; Hassan, M.H.A (Singapore: World Scientific, 1990)
Keywords: Desertification -- Congresses