TY  - BOOK
ED  - World Health Organization.
TI  - Guidelines for drinking-water quality
SN  - 9241544600
U1  - 363.610218 
PY  - 1993///-1997
CY  - Geneva
PB  - WHO
KW  - Abastecimiento de agua
KW  - Normas
KW  - Agua potable
KW  - Manuales
N1  - La Biblioteca posee: v.2; V. 1. Recommendations -- v. 2. Health criteria and other supporting information -- v. 3. Surveillance and control of community supplies
ER  -