TY  - BOOK
TI  - Surveillance of drinking-water quality 
SN  - 9241400633
U1  - 614.772 19
PY  - 1976///
CY  - Geneva
PB  - World Health Organization
KW  - Water supply
KW  - Spines
KW  - Distilled water
KW  - Fresh water
KW  - Surveillance
N1  - Bibliography : p. 129-131; phr
N2  - Environment Management
ER  -