George, F.H. <br/><br/>
Cybernetics and the environment  F.H. George. 

 - London  Paul Elek  1977 
 - vi, 69p., 22cm. 
<br/><br/><label>ISBN: </label>0-236-40021-5. 
<br/><br/><label>Dewey Class. No.: </label>007,  / G27C