@book{45030,
	author = {National Center for Construction Education and Research (U.S.)},
	title = {Sheet metal :},
	publisher = {National Center for Construction Education and Research ;},
	year = {2008},
	series = {NCCER contren learning series},
	address = {Gainsville, FL :},
	edition = {3rd ed.},
	note = {Includes index}
}