WILLIAM L. ALLEN EDITOR ETC <br/><br/>
NATIONAL GEOGRAPHIC DECEMBER 1999 

 - 初版 
 -  NATIONAL GEOGRAPHIC SOCIETY  1999 
 -  平 
 - VOL. 196 NO.6 1999 .
<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.12 1999