Watts, Earle F.  <br/><br/>
Descriptive geometry / 
Earle F. Watts 
 - New York :   Prentice- Hall inc.,  1946 
<br/><br/><label>Subjects--Topical Terms: </label>--GEOMETRIA DESCRIPTIVA
<br/><br/><label>Universal Decimal Class. No.: </label>514.18