

@book {13660,
	title = {Guidelines for the safe use of wastewater, excreta and greywater },
	series = {Policy and Regulatory Aspects},
	volume = {1},
	year = {2006},
	pages = {1{\textendash}114},
	publisher = {World Health Organization},
	organization = {World Health Organization},
	address = {Geneva},
	keywords = {Excreta, Greywater, Guidlelines, REF, wastewater, Who, WHO Guidelines},
	isbn = {92 4 154685 9}
}
