Chopra, Aidan. Introduction to Google Sketchup / Introduction to Google Sketch Up Aidan Chopra with Laura Town and Chris Pichereau. - 2nd ed. - New York : John Wiley c2013. - xxii, 554 p., [16] p. of plates : ill. (some col.) ; 23 cm. Includes index. ISBN: 9781118077825 (pbk.) 1118077822 (pbk.) Subjects--Uniform Titles: SketchUp. Subjects--Topical Terms: Computer graphics.Three-dimensional display systems.Engineering graphics. Dewey Class. No.: 006.693 / CHO 2013