TY  - BOOK
ED  - Organización Panamericana de la Salud
ED  - World Health Organization.
TI  - Drinking water supply and sanitation: the international decade in the americas 
PY  - 1983///
CY  - Washington
PB  - World Health Organization, Pan American Health Organitation
UR  - http://biblioteca.unm.edu.ar/documentos/imagenes/catalogacion.jpg
ER  -