Survey of observation structures
By: Sahara and Sahel Observatory.
Contributors: Sahara and Sahel Observatory.; United Nations Sudano-Sahelian Office.
Publisher: United Nations Sudano-Sahelian Office
Published: 1991
Place of publication: New York, N.Y. (One United Nations Plaza, New York 10017)
Language: eng
Number of pages: 126
Subjects: Desertification -- Sahara -- Research -- International cooperation.; Desertification -- Sahel -- Research -- International cooperation.