Inside AutoCAD 13 for DOS / 
Rick Llewellyn and . . . [et al. ] 
 - New Delhi :  Prentice-Hall of India,  1996 
 - xxvii, 1554 p. :  chart ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>8120310837 :  Rs. 525.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer graphics<br/>AutoCAD<br/>MS-DOS (Computer file)<br/>PC-DOS (Computer file)
<br/><br/><label>Dewey Class. No.: </label>005.133