Polgar, Claude <br/><br/>
Design of relay control systems /  
Claude Polgar. 
 - 305 pages;  26 cm. 
<br/><br/> Includes index: p299-305. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Electronic controllers.<br/> Automation.
<br/><br/><label>Dewey Class. No.: </label>629.8