@BOOK{NAP21311, title = "Expansion Des Ressources en Eau dans les Zones Arides: Techniques Prometteuses et Possibilites de Recherches", doi = "10.17226/21311", url = "https://nap.nationalacademies.org/catalog/21311/expansion-des-ressources-en-eau-dans-les-zones-arides-techniques", year = 1977, publisher = "The National Academies Press", address = "Washington, DC" }