Omura's, George and Richardson, Paul W. <br/><br/>
AutoCAD 13 Instant reference for Windows or DOS Platform 

 -  BPB Publications, New Delhi  1995 
 - xvi, 383 
<br/><br/><label>ISBN: </label>8170295173 
<br/><br/><label>Dewey Class. No.: </label>Column-17