Director, Stephen W. <br/><br/>
Introduction to system theory   
by Stephen W. Director. and Ronald A. Rohrer 
 - Tokyo  McGraw Hill  1972 
 - vii, 441p. 
 - McGraw-Hill series in Electnonics systems .
<br/><br/><label>LCCN: </label>76-147162 
<br/><br/><label>Dewey Class. No.: </label>620.7  / N723;7