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Availability of international financing and principal polies and criteria pplied with respect to water supply systems
(Washington, D.C; Pan American Sanitary Bureau, 1959)
Disponibilidades de financiamiento internacional y principales políticas y criterios que se aplican en relación con sistemas de abastecimiento de agua
(Washington, D.C; Oficina Sanitaria Panamericana, 1959)
Present status of water-supply and sewage disposal services in the Republic of Cuba
(Washington, D.C; Pan American Sanitary Bureau, 1959)