TY  - SER
AU  - Sumner,J.S.
AU  - Tuttle,S.D.
TI  - Geophysics, Geologic Structures and Tectonics
SN  - 0042-4102
PY  - 1970///
CY  - Dubuque
PB  - WM. C. Brown Company Publishers
KW  - Issue
ER  -