@book{7134,
	author = {Review Group on Disinfectants and Disinfectant By-Products (1991 : Bethesda).},
	title = {revision of the WHO guidelines for drinking-water quality : report of the Review Group on Disinfectants and Disinfectant By-Products, Bethesda, Maryland, U.S.A., 10-14 June 1991.},
	publisher = {World Health Organization,},
	year = {1991.},
	address = {Geneva : }
}