Grabowski, Ralph. The illustrated AutoCAD 2007 quick reference / Ralph Grabowski. - Clifton Park, NY : Thomson Delmar Learning, c2007. - xvi, 909 p. : ill. ; 23 cm. - Autodesk . ISBN: 1418048925 (pbk.) Subjects--Uniform Titles: AutoCAD. Subjects--Topical Terms: Computer graphics. LC Class. No.: T385 / .G69223 2007