@book{1593,
	author = {(AWWA), American Water Works Association.},
	title = {Water Quality and Treatment in Public Water Supplies /},
	publisher = {McGraw Hill Higher Education,},
	year = {1971.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070015392/chopaconline-20}
}