Water pollution control in developing countries :
Water pollution control in developing countries : report of a WHO expert committee [meeting held in Geneva from 12 to 18 December 1967]
- Geneva : World Health Organization, 1968.
- 38 p.
- World Health Organization technical report series ; no. 404 .
Russian version of nos. 404-438 bound together (barcode no. 00073779).
Copy 2 of English, French and Spanish eds. bound together.
eng fre rus spa.
9241204044
Water pollution--prevention and control.
Developing countries.
WA 689
Russian version of nos. 404-438 bound together (barcode no. 00073779).
Copy 2 of English, French and Spanish eds. bound together.
eng fre rus spa.
9241204044
Water pollution--prevention and control.
Developing countries.
WA 689