Expert Committee on Environmental Sanitation :
Expert Committee on Environmental Sanitation : report of the first session, Geneva, 12-17 September 1949.
- Geneva : World Health Organization, 1950.
- 33 p.
- World Health Organization technical report series ; no. 10 .
eng fre spa.
9241200103
Environmental health.
WA 670
eng fre spa.
9241200103
Environmental health.
WA 670