TY  - JOUR
T1  - National geographic.
LA  - English
PP  - Washington
PB  - National Geographic Society
YR  - 1888
UL  - http://discoverylib.upm.edu.my/discovery/Record/89732
NO  - Title varies slightly. National geographic magazine.
NO  - For April 2001 , map suppliment is provided.
CN  - G1 N27
KW  - Geography : Periodicals.
KW  - Natural history : Periodicals.
ER  -