Encylopedia Britannica [electronic resources] :  discover the world in one powerful source. 

 - [S.l] :  [s.n],  2006. 
 - 1 compact disc.; sd.; col. :  4 3/4 in. 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>eRes 030 En192 2006