TY  - BOOK
AU  - Obruchev,V.
TI  - Fundamentals of geology :  : popular outline
U1  - 550 OBR  
PY  - 1959///.
CY  - Moscow : 
PB  - Foreign Language Publishing House, 
KW  - Geology
KW  - Fundamentals of geology
N1  - Includes index.
ER  -