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1by UNESCO Office Montevideo and Regional Bureau for Science in Latin America and the Caribbean, Water Centre for Arid and Semi-arid Zones of Latin America and the Caribbean, Aguillera, Raúl, Gabriels, Donald, Lobo L., Deyanira, Moyano María, Cristina, Ovalles V., Francisco, Pizarro, Roberto, Sangüesa, Claudia, Santibañez, Fernando, Urra, Nelsonbook bibliotecaUNESCO