@book{33519,
	author = {Unesco.},
	title = {The Sahel :},
	publisher = {Unesco Press,},
	year = {c1975.},
	address = {Paris :},
	note = {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.}
}