@book{183855,
	author = {United Nations.},
	title = {Ground water quality and monitoring in Asia and the Pacific /},
	publisher = {Economic and Social Commission for Asia and the Pacific, United Nations,},
	year = {1991.},
	series = {Water resources series ;},
	address = {Bangkok, Thailand :},
	note = {"ST/ESCAP/Ser. F/70"--T.p. verso.}
}