Shoults, David Roy. <br/><br/>
Electric motors in industry /  
D. R. Shoults and C. J. Rife; edited by T. C. Johnson.  
 - New York :   London :   J. Wiley & Sons, inc.;  Chapman & Hall, limited,  1942. 
 - vii, 389 p.   il., tablas, diag., fot.   24 cm. 
 - General Electric series .
 - General electric series. .
<br/><br/> Bibliografía al final de capítulos.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONTROLADORES ELECTRICOS<br/>MOTORES ELECTRICOS
<br/><br/><label>Universal Decimal Class. No.: </label>621.313.3