James, Henry Duvall. <br/><br/>
Controllers for Electric Motors :   A treatise on the Modern Industrial Controller with Typical Applications to the Industries 

 - 1a ed. 
 - New York :   McGraw-Hill,   1945. 
 - p. 324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MOTORES ELECTRICOS
<br/><br/><label>Universal Decimal Class. No.: </label>621.313.13