TY  - BOOK
AU  - Jaccbs,J.A., x
AU  - x
TI  - The earth;s : x
SN  - x 
U1  - 551.112/JAE 
PY  - 1975///
CY  - London
PB  - Academic  press
KW  - Geophysics
KW  - Earth Sciences
ER  -