Humphries, James T. <br/><br/>
Industrial electronics 
James T. Humphries 
 - 3rd ed. 
 -  c.1989 
<br/><br/><label>ISBN: </label>0827338287 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial electronics--EL
<br/><br/><label>Dewey Class. No.: </label>621.381 HUM