TY  - ADVS
ED  - National Geographic Society (U.S.)
TI  - Our dynamic Earth
AV  - QE511.5 
PY  - 1979///
CY  - Washington
PB  - The Society
KW  - Continental drift
N1  - Title from data sheet; Also issued as videorecording
N2  - Examines information about continental drift gathered from deep sea research
ER  -