ENCYCLOPAEDIA BRITANICA. <br/><br/>
Britannica: learning library. 

 - New  Delhi  Encyclopaedia Britannica (India) Pvt Ltd  2006 
 - 575 
<br/><br/><label>ISBN: </label>1 59339 267 2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Knowledge
<br/><br/><label>Dewey Class. No.: </label>032.02 ENCB