Porter, Arthur. <br/><br/>
Cybernetics simplified 

 - London :  English Universities,  1969 
 - 159 p. 
 - Unibooks .
 - Unibooks .
<br/><br/><label>LCCN: </label>52340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cibernética.
<br/><br/><label>Dewey Class. No.: </label>006  / P6