TY  - BOOK
AU  - Gorshkov,G.
AU  - Yakushova,A.
AU  - Shiffer,V.V.
TI  - Physical geology: translated from the russian 
PY  - 1977///
CY  - Moscow
PB  - Mir
KW  - Геология
KW  - the age of the earth
KW  - methods of investigation
N1  - Subject index p. 680 - 690
ER  -