@book{15029,
	author = {Beyer, M.G.},
	title = {The WET history : water supply and environmental sanitation in UNICEF, 1946-1986.},
	publisher = {United Nations Children's Fund (UNICEF),},
	year = {1986.},
	series = {(UNICEF WET monographs ; no. 2.},
	address = {New York : }
}