@book{5497,
	author = {Tchobanoglous, George. and Metcalf & Eddy, Inc.},
	title = {Wastewater engineering :},
	publisher = {McGraw-hill,},
	year = {c1991 [Reprinted 2001].},
	series = {Water resources and environmental engineering.},
	address = {New York :},
	edition = {3rd ed.},
	note = {Includes index.}
}