Title: The Worlds Water Volume 7 The Biennial Report On Freshwater Resources
Subjects: Exploitation, Ressources en eau, Gestion de l'eau, Eau douce, Approvisionnement, Eau, Génie hydraulique, Hydrogéologie, Eau souterraine, Fresh water, Water-supply, Water resources development, Environnement, Hydrology, Climat, SCIENCE, Earth Sciences, Limnology