@book{13146,
	author = {Imhoff, Karl and Fair, Gordon Maskew},
	title = {Sewage treatment /},
	publisher = {Wiley,},
	year = {c1956 [printing 1966].},
	address = {New York ; London :},
	edition = {2d ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/56011025-d.html}
}