@book{37069,
	author = {Schulz, Christopher R. and Okun, Daniel Alexander. and Water and Sanitation for Health Project (U.S.)},
	title = {Surface water treatment for communities in developing countries /},
	publisher = {Wiley,},
	year = {c1984.},
	address = {New York :},
	note = {"A Wiley-Interscience publication."}
}