TY  - BOOK
AU  - Ershov, V.V
AU  - Novikov, A.A.
TI  - Fundamentals of geology
SN  - 5030005564
U1  - 551 21st ed.
PY  - 1988///
CY  - Moscow
PB  - Mir Publishers
KW  - Earthscience
KW  - Geology
N1  - Index: p. 354-58
ER  -