@book{13119,
	author = {WHO Expert Committee on Environmental Health in Urban Development (1990 : Geneva). and World Health Organization.},
	title = {Environmental health in urban development : report of a WHO Expert Committee [meeting held in Geneva from 17 to 23 April 1990]. .},
	publisher = {World Health Organization,},
	year = {1991.},
	series = {WHO technical report series ; 807.},
	address = {Geneva : }
}