Herman, Stephen L. <br/><br/>
Understanding motor controls / 
Stephen L. Herman 
 - 3rd ed. 
 - Boston, MA :  Cengage Learning,  [2017] 
 - xii, 643 p. :  col. ill. ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781305498129 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric motors<br/>Electric controllers