Encyclopaedia Britannica, Inc <br/><br/>
Britannica yearbook of science and the future 1970 

 - Chicago  Encyclopaedia Britannica, Inc  1969 
 - 448p 
<br/><br/>Encyclopaedia Britannica, Inc: Britannica yearbook of science and the future 1970.  Chicago.  Encyclopaedia Britannica, Inc, 1969.--(030ENC)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>30  / EB