Encyclopedia  , Britinica  <br/><br/>
Britannica Book of the Year 2000 events of 1999  

 - NA 
 -  1998 
 - 920 
<br/><br/><label>ISBN: </label>0-85229-7592-9 
<br/><br/><label>Subjects--Personal Names: </label><br/>Humanity & Natural Sciences
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humanities and Natural sciences