Ryff, Peter F.,  1935- <br/><br/>
Electric machinery / 
Peter F. Ryff. 
 - New Jersey  Prentice Hall.  1988 
 - xi, 321p.  ill.  24 cm. 
<br/><br/>Includes references and index 
<br/><br/><label>ISBN: </label>0132486911  RM25.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric machinery.