Britannica, yearbook of science and the future, 1996. 

 - Chicago :  Encyclopedia Britannica, Inc.,  1996. 
 - 512 p. :  ill. ;  28 cm. 
<br/><br/>Index pp. 489-512 
<br/><br/><label>ISBN: </label>0-85229-613-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia