@book{12809,
	author = {Bellis, Herbert F.},
	title = {Blueprint reading for the construction trades /},
	publisher = {Glencoe/Mcgraw-Hill,},
	year = {1978.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070044104/chopaconline-20}
}