@book{147643,
	author = {World Health Organization.},
	title = {Policy and regulatory aspects},
	publisher = {World Health Organization,},
	year = {c2006.},
	series = {Guidelines for the safe use of wastewater, excreta and greywater ;},
	address = {Geneva :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10190683}
}