TY - BOOK AU - Lockhart,Shawna D. TI - A tutorial guide to AutoCAD 2006 SN - 0131713833 AV - T385 .L626 2006 U1 - 620/.00420285536 22 PY - 2006/// CY - Upper Saddle River, N.J. PB - Pearson/Prentice Hall KW - Computer graphics N1 - Includes index ER -