00471 a2200169 4500 670.285 HEA 12887 18768 Head, George O. The AutoCAD 3D book covers through AutoCAD release 12 New Delhi Galgotia publications 1994 1994 xxix, 319p. 24cm. DATA PROCESSING COMPUTER APPLICATIONS Segal, Kenneth J.L. Pietra, Charles A. L 41247 41247 0 0 0 0 LEN MAIN MAIN LEN 2009-01-08 3 3 670.285HEA 2808 2022-12-08 00:00:00 2022-11-16 0.00 2016-10-31 L