TY - BOOK AU - Omura, George. TI - Mastering AutoCAD 2013 and AutoCAD LT 2013 SN - 9781118174074 AV - 23191-23192 U1 - 620.00420285536 22 PY - 2012/// CY - Canada PB - John Wiley & Sons N1 - Includes index ER -