Helvey, T. C <br/><br/>
Age of information: an interdisciplinary survey of cybernetixcs 

 - Englewood Cliffs:  Prentice-Hall,  1971. 
 -  207p. 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0877780080 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cybernetics-social aspect
<br/><br/><label>Dewey Class. No.: </label>301.31  / HEA