Spence, William P.  1925- <br/><br/>
Engineering graphics / 
William P. Spence 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1984 
 - 770 p. ;  32 cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering graphics