Trout, Charles M. <br/><br/>
Essentials of Electic Motors and Controls / 
Charles M. Trout 
 - 1a ed. 
 - Bostón :  Jones and Bartlett Publishers ; NFPA,  2010 
<br/><br/><label>ISBN: </label>978-0-7637-5113-5 
<br/><br/><label>Dewey Class. No.: </label>621.46 T 768e