TY  - BOOK
ED  - World Health Organization. 
TI  - Guidelines for drinking water quality
T2  - Surveilance and control of community supplies
SN  - 92-4-154503-8
PY  - 1997///
CY  - Geneva
PB  - WHO
KW  - Drinking water-standards
KW  - Drinking water-quality control
ER  -