Distefano,Joseph J Stubberud,Allen R Williams,Ivan J <br/><br/>
Theory and Problems of Feedback and  Control Systems 

 - New York  McGraw-Hill  1987 
 - p.371 
<br/><br/><label>ISBN: </label>0070990573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transfer Function<br/>Signal Flow Graphs
<br/><br/><label>Dewey Class. No.: </label>629.8314 D614