Guidelines for drinking-water quality.
Guidelines for drinking-water quality.
- 2nd ed.
- Geneva : World Health Organization, 1996.
- xvi, 973 p. : ill. ; 24 cm.
9241544805
Potable water
Water quality.
Guidelines.
WA 675 G 1996
9241544805
Potable water
Water quality.
Guidelines.
WA 675 G 1996