michael, L.M. <br/><br/>
Computer Aided drafting and Design 

 - New York  Prentice Hall  1987 
 - 248 p. 
<br/><br/> 19813 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>621-381  / M