Polgar, Claude <br/><br/>
Design of relay control systems; 
Claude Polgar 
 -  c.1968 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Automatic control, Electric relays--EE
<br/><br/><label>Dewey Class. No.: </label>621.317 POL