00946nam 2200337 450 99000080862020331692-1-1122-78-30080862USA010080862(ALEPH)000080862USA01008086220011219d1990----km-y0itay0103----baengUS||||||||001yyTerms of reference of the International Copper study groupNew YorkUnited Nations199015 p30 cm2001341.23Nazioni Unite341045ITsalbcISBD990000808620203316IX C 562104673 LMIX CBKUMAPATTY9020011219USA01140520020403USA011727PATRY9020040406USA011656Terms of reference of the International Copper study group966495UNISA