@book{33528,
	author = {Unesco. and International Co-ordinating Council of the Programme on Man and the Biosphere.},
	title = {Trends in research and in the application of science and technology for arid zone development /},
	publisher = {Unesco ;},
	year = {1979.},
	address = {Paris :},
	note = {Report commissioned by Unesco within the Man and the Biosphere (MAB) Programme.}
}