@book{25669,
	author = {Voisinet, Donald D., and Donald d. voisinet},
	title = {Introduction to computer-aided drafting /},
	publisher = {Gregg Division, McGraw-Hill,},
	year = {c1986.},
	address = {New York :},
	edition = {2nd ed.},
	note = {Cover title: Introduction to CAD.}
}