@book{23081,
	author = {Hammer, Mark J., and Hammer, Mark J.,},
	title = {Water and wastewater technology /},
	publisher = {Prentice Hall },
	year = {c2001.},
	address = {Upper Saddle River, N.J. },
	edition = {4th ed.},
	note = {Incluye índice.}
}
