006800000a22001810004500003000900000005001700009110007200026245017500098020001800273264004900291490004000340300000900380041000800389650002500397650002000422650002600442700003000468PH-MaWHO20241108112341.0 aWHO Expert Committee on Vector Biology and Control (1979 : Geneva). aEnvironmental management for vector control : third report of the WHO Expert Committee on Vector Biology and Control [meeting held in Geneva from 13 to 19 November 1979]. a92-4-120649-X aGeneva : bWorld Health Organization,c1980. a(WHO technical report series ; 649) a75p. aeng aEnvironmental health aDisease vectors aPest controlxMethods aWorld Health Organization