TY  - BOOK
AU  - Beck, richard.
TI  - Nature of Ore Deposits,vol.1 / 
SN  - 81-857048-05-3(set)
U1  - H1 
PY  - 1997///
CY  - New Delhi-110002 : 
PB  - SBW Publishers , 
KW  - Geology <Ore>
ER  -