@book{135804,
	author = {Langer, Stephen E. and Scheer, James F. and ebrary, Inc.},
	title = {Solved},
	publisher = {McGraw-Hill,},
	year = {c2006.},
	address = {New York :},
	edition = {Updated 4th ed.},
	note = {Previously published: Los Angeles : Keats, 2000.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10172648}
}