@book{106739,
	author = {Omura, George. and Benton, Brian C.},
	title = {Mastering AutoCAD 2013 and AutoCAD LT 2013 /},
	publisher = {Wiley,},
	year = {2012.},
	series = {Autodesk official training guide},
	address = {Indianapolis, Ind. :},
	note = {Includes index.}
}