Murphy, Gordon J. <br/><br/>
Basic automatic control theory / 
Gordon J.Murphy. 
 - 2nd ed. 
 - Toronto  D.Van Nostrand Company,INC.  1957 
 - xiii, 832 p. 
<br/><br/> Includes index 
<br/><br/><label>Dewey Class. No.: </label>629.8  / MUR