TY  - BOOK
AU  - Wellmer, Friedrich-Wilhelm
AU  - Wagner, Markus
AU  - Dalheimer, Manfred
TI  - Economic Evaluations in Exploration
SN  - 9783540735571
U1  - 657.862 WEL 
PY  - 2008///
CY  - New York
PB  - Springer Verlag
KW  - Mineral industries - Accounting
ER  -