Earle, James H. <br/><br/>
Descriptive geometry 
James H. Earle 
 - \\  2nd ed. 
 - Reading, Massachusetts  Addison-Wesley  1978 
 - 338p.: ill. 
<br/><br/><label>ISBN: </label>201017768 
<br/><br/><label>LC Class. No.: </label>QA 501