@book{121011,
	author = {Omura, George. and Graham, Rick. and ebrary, Inc.},
	title = {Mastering AutoCAD 2012 and AutoCAD LT 2012},
	publisher = {Wiley Pub.,},
	year = {2011.},
	series = {Autodesk official training guide},
	address = {San Francisco, Calif. :},
	edition = {1st ed.},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10484817}
}