TY  - BOOK
AU  - Ballard,Robert D.
ED  - National Geographic Book Service.
ED  - National Geographic Society (U.S.)
TI  - Exploring our living planet
SN  - 0870447602 (alk. paper)
AV  - QE 511.4  .B34 1988
U1  - REF 551.1  19
PY  - 1988///
CY  - Washington, D.C.
PB  - National Geographic Society
KW  - Plate tectonics
N1  - Includes index; Basic Ed. Students
N2  - 1. Plate tectonics--national geographic book service-- title
ER  -