Gray, C.B.  c1989. <br/><br/>
Electrical Machines and Drive Systems/ 
C.B. Gray 
 - United Kingdom,  Longman,  c1989. 
 - xvii,438p.;  ill.;  25cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0582072433 
<br/><br/><label>LC Class. No.: </label>TK 2081  / .G73 1989