@book{39940,
	author = {Gray, N. F.},
	title = {Water technology :},
	publisher = {Elsevier Butterworth-Heinemann,},
	year = {2005.},
	address = {Oxford :},
	edition = {2nd ed.},
	note = {Previous ed.: London: Arnold, 1999.},
	url = {http://www.loc.gov/catdir/enhancements/fy0627/2005296035-t.html}
}