TY  - BOOK
AU  - Gocht, Werner R.
AU  - Half, Zantop.
AU  - Eggert, Roderick G.
TI  - International mineral economics: mineral exploration, mine evaluation, mineral markets, international mineral policies 
SN  - 9783540187493
AV  - HD9506 .A2 G63
PY  - 1988///
CY  - Berlin
PB  - Springer-verlag
KW  - Mineral industries
ER  -