Lockhart, Shawna D. Tutorial Guide to AutoCAD 2020 2D Drawing, 3D Modeling Shawna Lockhart. - Mission, Kansas Stephen Schroff 2019 - 653p. ill. 23cm ISBN: 9781630572761 Subjects--Uniform Titles: AutoCAD Subjects--Topical Terms: Computer graphics. Three-dimensional display systems. LC Class. No.: T385 / .L816 2019