National geographic. 

 - Washington, D.C. :   National Geographic Society,  April-June 2000. 
 - 1(various paging):  color illustrations;  25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Periodicals
<br/><br/><label>Dewey Class. No.: </label>DPer 910  / N213