@book{8168,
	author = {WHO Expert Committee on Insecticides (1974 : Geneva). and World Health Organization},
	title = {Ecology and control of vectors in public health : twenty-first report of the WHO Expert Committee on Insecticides [meeting held in Geneva from 7 to 11 October 1974].},
	publisher = {World Health Organization,},
	year = {1975.},
	series = {(WHO technical report series ; 561)},
	address = {Geneva : }
}