Guidelines for drinking-water quality.
Guidelines for drinking-water quality.
- 4th ed.
- Geneva : World Health Organization, 2011.
- xiii, 541 p. : ill. ; 23 cm.
9789241548151
Potable water
Water
Water quality
Guidelines.
WA 675 G 2011
9789241548151
Potable water
Water
Water quality
Guidelines.
WA 675 G 2011