TY  - ADVS
AU  - 
TI  - National geographic: the 1960s
U1  - CA-01 
PY  - 1888///-1999
CY  - 
PB  - National Geographic Society
N1  - Contents: Cd.1. January 1960 - April 1963 - Cd.2. May 1963 - August 1966 - Cd.3. September 1966 - December 1969
ER  -