Omura, George. Mastering AutoCAD 2013 and AutoCAD LT 2013 [electronic resource] / George Omura with Brian C. Benton. - Hoboken : John Wiley, 2012. - 1 online resource (1913 p.) Part 2: Mastering Intermediate Skills. ISBN: 9781118227039 (ebk.) 1118227034 (ebk.) Subjects--Uniform Titles: AutoCAD. Subjects--Topical Terms: Computer-aided design.Computer graphics.Electronic books. Dewey Class. No.: 620.00420285536