Brumbach, Michael E., <br/><br/>
Electronic variable speed drives / 
Michael E. Brumbach and Jeffrey A. Clade 
 - Fourth Edition 
 - ix, 305 pages :  illustrations ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781133134046 1133134041 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric driving, Variable speed