TY  - BOOK
AU  - Gorshkov G. & Yakushova A.
AU  - Gorshkov G. & Yakushova A.
TI  - Physical Geology tr. by A. Gurevich
U1  - H81 
PY  - 1967///
CY  - Moscow
PB  - Mir Publishers
KW  - H81
ER  -