Electric motors  / 
3G E-Learning 
 - 2nd ed. 
 - New York :  3G E-learning LLC,  2018. 
 - xii, 381 p.: col. Ill.; 23.5 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781680948431 
<br/><br/><label>Dewey Class. No.: </label>C 621.462 EI382 2018