00827cam a2200253 a 4500001000800000003000400008005001700012007000400029008004100033010001700074020002200091040001900113050002400132082001400156100001900170245016300189260005100352300003400403500002000437504003200457650002400489700003600513700002400549480051300020170726115609.0000880323s1988    gw a     b    001 0 eng    a   88004892   a0387187499 (U.S.)  aUOELcDLCdDLC00aHD9506.A2bG63 198800a338.22191 aGocht, Werner.10aInternational mineral economics :bmineral exploration, mine valuation, mineral markets, international mineral policies /cW.R. Gocht, H. Zantop, R.G. Eggert.  aBerlin ;aNew York :bSpringer-Verlag,cc1988.  axiv, 271 p. :bill. ;c25 cm.  aIncludes index.  aBibliography: p. [253]-261. 0aMineral industries.1 aZantop, H.q(Half),d1938-2001.1 aEggert, Roderick G.