The World factbook / 
National Foreign Assessment Center (U.S) 
 - Washington :  Central Intelligence Agency,  1997       
 - xii, 628 p. 
<br/><br/><label>ISBN: </label>1574881000 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geografía--Anuario
<br/><br/><label>LC Class. No.: </label>R G 122 W927f 1997