TY  - BOOK
AU  - Wellmer, Friedrich-Wilhelm
TI  - Economic evaluations in exploration / 
SN  - 9783540735571
U1  - 657.862 22
PY  - 2008///
CY  - Berlin : 
PB  - Springer-Verlag, 
KW  - Economic evaluations in exploration
N1  - Include Index
ER  -