Clayton, Albert  E. <br/><br/>
The performance and design of direct current  machines 

 - 3rd ed. 
 - London :   English Language Book Society,  1962. 
 - xx,516p.  : ill.   ; 23cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric Machinery<br/>Direct current
<br/><br/><label>LC Class. No.: </label>ECO TK2612.C6