Ryff, Peter F. <br/><br/>
Electric machinery 
Peter F. Ryff 
 -  c.1988 
<br/><br/><label>ISBN: </label>0132486911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric machinery--EE
<br/><br/><label>Dewey Class. No.: </label>621.31042 RYF