TY  - BOOK
AU  - Kaufman, Alexander A.
TI  -  Geophysical fied theory and method
U1  - 551 
PY  - 1992///
CY  - New York
PB  - Academic
KW  - Gravitational  fields
KW  - electric fields
KW  - magnetic fields
KW  - Newton's Law
ER  -