TY  - BOOK
AU  - Ershov,V V
AU  - Novikov,A A
AU  - Popova,G B
TI  - Fundamentals of Geology
SN  - 5030005564
U1  - 550 
PY  - 1988///
CY  - Moscow
PB  - Mir Publisher
KW  - Geology
ER  -