@book{7316,
	author = {World Health Organization Expert Committee on Environmental Sanitation (1951 : Geneva).},
	title = {Expert Committee on Environmental Sanitation : second report [of a meeting held in Geneva from 15 to 20 October 1951].},
	publisher = {World Health Organization,},
	year = {1952.},
	series = {(WHO technical report series ; 47).},
	address = {Geneva : }
}