TY - BOOK AU - Gocht,Werner AU - Zantop,H. AU - Eggert,Roderick G. TI - International mineral economics: mineral exploration, mine valuation, mineral markets, international mineral policies SN - 0387187499 (U.S.) AV - HD9506.A2 G63 1988 U1 - 338.2 19 PY - 1988/// CY - Berlin, New York PB - Springer-Verlag KW - Mineral industries N1 - Includes index; Bibliography: p. [253]-261 ER -