TY - BOOK AU - Wagenhals,Gerhard TI - The world copper market: structure and econometric model SN - 0387138609 (U.S.) AV - HD9539.C6 W34 1984 U1 - 338.2/743/0724�19 PY - 1984/// CY - Berlin, New York PB - Springer-Verlag KW - Copper industry and trade x Mathematical models ER -