TY  - BOOK
AU  - Gorshkov, G.
AU  - Yakushova, A.
AU  - Shiffer, V.V.
TI  - Physical Geology
U1  - 551 
PY  - 1977///
CY  - Moscow 
PB  - Mir Publishers
KW  - Geology
KW  - Geophysics
N1  - Includes bibliographical references and index
ER  -