"Recursos hidraúlicos." . . "Agua dulce Conservación." . . "Ressources en eau Exploitation." . . "Agua dulce Abastecimiento." . . "Ressources en eau Exploitation Statistiques." . . "Süßwasser." . . "BUSINESS & ECONOMICS Real Estate General." . . "Ressources en eau." . . "Water conservation." . . "Wasserreserve." . . . . "vandforsyning." . . . . . . "World's water" . "Biennial report on freshwater resources" . . "World's water"@en . . . "The world's water, 2006-2007 : the biennial report on freshwater resources" . . "The world's water, 2006-2007 : the biennial report on freshwater resources"@en . . . . . "The world's water, 2006-2007 the biennial report on freshwater resources" . . . "The world's water, 2006-2007 the biennial report on freshwater resources"@en . . . . . . . "Electronic books" . "Electronic books"@en . . . "The world's water 2006-2007 : the biennial report on freshwater resources" . "The world's water : 2006-2007 : the biennial report on freshwater resources" . . "The World's water 2006-2007 : the biennial report on freshwater resources" . . . . . . . . . . . . . . . . . . . . . "Livres électroniques" . . . . "Water-supply." . . "Fresh water." . . "Water resources development International cooperation." . . "Water resources development." . . "ressourcepolitik." . . "Eau douce." . . "Eau Approvisionnement." . . "Wasserversorgung." . . "Ressources en eau Coopération internationale." . .