Phipps, Clarence A.,  1922 <br/><br/>
Variable speed drive fundamentals / 
Clarence A. Phipps. 
 - 3rd ed. 
 -  Fairmont Press,  c1999. 
 - xiv, 212 p. :  fig. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0881733105 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Variable speed drives.
<br/><br/><label>Universal Decimal Class. No.: </label>62-58