TY - BOOK ED - Extraction Metallurgy '85 Symposium ED - Institution of Mining and Metallurgy (Great Britain). TI - Extraction metallurgy '85: papers presented at the Extraction Metallurgy '85 Symposium SN - 0900488824 U1 - 669 22 PY - 1985/// CY - London PB - The Institution of Mining and Metallurgy KW - Metallurgy ER -