Heumann, Gerhart W <br/><br/>
Magnetic control of industrial motors 

 - 2nd ed. 
 - New York :  Wiley,  1954 
 - 714 p. :  il. 
 - General electric series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONTROLADORES ELECTRICOS<br/>MOTORES ELÉCTRICOS
<br/><br/><label>Dewey Class. No.: </label>621.3174  / H59i