TY  - BOOK
AU  - Clark, Sydney P.
TI  - Structure of the earth
SN  - 0138546460
U1  - 551.1 DDC 21 
PY  - 1971///
CY  - Englewood Cliffs
PB  - Prentice - Hall
KW  - Geology
KW  - Geophysics
KW  - Structural Geology
ER  -