WILLIAM L. ALLEN EDITOR ETC <br/><br/>
NATIONAL GEOGRAPHIC MAY 2000 

 - 初版 
 -  NATIONAL GEOGRAPHIC SOCIETY  2000 
 -  平 
 - VOL.197, NO.5 2000 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>连续性出版品; 期刊--NATIONAL GEOGRAPHIC
<br/><br/><label>Dewey Class. No.: </label>050.8 NG v.05 2000