European standards for drinking-water.
- 2nd ed.
- Geneva : World Health Organization, c 1970.
- 58 p. : ill. ; 25 cm.
Include index.
Include bibliographical reference.
340 340
Drinking water--Standards-- Europe.
628.16 / W893e
Include index.
Include bibliographical reference.
340 340
Drinking water--Standards-- Europe.
628.16 / W893e