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

 - London  Isaac Pitman  1959 
 - xx,516 p. 
<br/><br/><label>ISBN: </label>0273401866 
<br/><br/><label>Dewey Class. No.: </label>S/C-S/T D663:4 J9;9