TY  - BOOK
AU  - Howell, Benjamon E.
TI  - Introduction to geophysics
U1  - 551 
PY  - 1959///
CY  - New York
PB  - McGraw Hill Book Company
KW  - Geology -
KW  - Geology - Hydrology - Meterology -
N1  - Includes references and index
ER  -