TY - BOOK AU - Leach,James A. AU - Bledsaw,Thomas D. TI - AutoCAD 2012 instructor: a student guide to complete coverage of AutoCAD's commands and features T2 - The McGraw-Hill graphics series SN - 9780073375465 (alk. paper) PY - 2012/// CY - New York, NY PB - McGraw-Hill KW - AutoCAD KW - Engineering graphics KW - Computer graphics N1 - Includes index ER -