Murphy, Gordon J <br/><br/>
Control Engineering. 

 - New Jersey M 1959 Affiliated East-West Press Pvt. Ltd. New Delhi  D. Van Nostrand Company,Inc. 
 - xii+385p 
 -  Van Nostrand series in electronics and communications  Reich, Herbert J .
<br/><br/><label>Universal Decimal Class. No.: </label>621.3-5  / MUR.59