Smith S P <br/><br/>
Electrical enginering design manual 

 - 2 
 - London  Butler & Tanner         1950 
 - 259p.  cm. 
<br/><br/><label>Standard No.: </label>33410 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D66, J0