1990 Britannica book of the year / 

 - Chicago :  Encyclopaedia Britannica,  c1990. 
 - 926 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>0852295227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries - 1990.
<br/><br/><label>Dewey Class. No.: </label>Ref 032.25 En2 1990