TY  - BOOK
AU  - Wellmer, Friedrich-Wilhelm
AU  - Wagner Markus
AU  - Dalheimer Manfred
TI  - Economic evaluations in exploration
U1  - 338.2/WEL 
PY  - 2008///
CY  - New York
PB  - Springer-Verlag
KW  - Mineral industries-Accounting
KW  - Production economics
KW  - Economics
ER  -