@book{332109,
	author = {Spellman, Frank R.},
	title = {Handbook of water and wastewater treatment plant operations /},
	publisher = {CRC Press/Taylor & Francis,},
	year = {c2009.},
	address = {Boca Raton :},
	edition = {2nd ed.},
	note = {Photocopy},
	url = {http://www.loc.gov/catdir/toc/ecip0817/2008018725.html}
}