TY  - BOOK
AU  - Pettersson, Hans
TI  - OCEAN FLOOR
U1  - 551.4608 
PY  - 1954///
CY  - New York
PB  - Hafner Pub.
KW  - Ocean Bottom -- Addresses, Essays, Lectures
N1  - Bibliographical References : P. 167-174
ER  -