TY  - BOOK
AU  - Obruchev, V
TI  - Fundamentals of Geology
U1  - 550 
PY  - 1967///
CY  - Ernakulam
PB  - V P C 866 Of
KW  - General Stack
KW  - Geology
KW  - Earth sciences
KW  - Generalia
ER  -