William.P Spence.  <br/><br/>
Drafting technology and practice :  William.P Spence. 

 - New york :  Mc Grawhill,  1991. 
 - 786p. 
<br/><br/><label>ISBN: </label>0-02-676290-0 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>T353   / .S57 1991