The Sahel ecological approaches to land use
Unesco.
International Co-ordinating Council of the Programme on Man and the Biosphere.
Paris Unesco Press
1975
Papers from a meeting on the Sahelian region, organized by Unesco within the framework of its Man and the Biosphere Programme (MAB), held in Niamey (Niger) from 11 to 15 March 1974
Includes bibliographies
Agricultural ecology
Land use
Nomads