Johnson/Nelson  <br/><br/>
Autocad:the complete reference 

 - Berkeley  Osborne:Mcgraw Hill  1989 
 - 837 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Autocad
<br/><br/><label>Dewey Class. No.: </label>621.38195  / JOH