Guidelines for drinking-water quality / Volume 1 : Recommendations.
Guidelines for drinking-water quality / Volume 1 : Recommendations.
World Health Organization.
- Delhi : CBS Publishers & Distributors, 1984 [reprint 1991].
- 130 p.; 19 cm.
Drinking water --Standards.
Water-supply --Standards.
628.161 / GUI 1991
Drinking water --Standards.
Water-supply --Standards.
628.161 / GUI 1991