@book{33504,
	author = {Krishnan, G. V. and Stellman, Thomas A.},
	title = {Introducing AutoCAD 2006 /},
	publisher = {Thomson Delmar Learning,},
	year = {c2006},
	address = {Clifton Park, NY :},
	url = {http://www.loc.gov/catdir/toc/ecip0516/2005021130.html}
}