@book{61990,
	author = {Pizzi, Nicholas G. and American Water Works Association},
	title = {Water Treatment /},
	publisher = {American Water Works Association,},
	year = {2010},
	series = {Principles and practices of water supply operations series},
	address = {Denver, CO :},
	edition = {4th ed.},
	note = {Rev. ed. of Water treatment. 2003}
}