Yearbook of science and the future, 1990 / 
Ed. by David Calhoun. 
 - Chicago [etc.] :  Encycl. Britannica,  1990. 
 - 510 p. :  ill. ;  28 cm. 
<br/><br/>Index p. 489-510 
<br/><br/><label>ISBN: </label>0-85229-507-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General reference works