@book{7857,
	author = {Price, Joanne K.},
	title = {Applied math for water plant operators - workbook /},
	publisher = {CRC Press,},
	year = {1991.},
	address = {[S.l.] :},
	edition = {Workbook ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0877628750/chopaconline-20}
}