National meeting of the Southern hemisphere on mineral techn
Southern hemisphere on mineral technology - [S.I.] [s.n.] 1982 - 2v. (v.1-650; v.2-xvi, 657-1202 p.)
Hydrometallurgy
669.0283 / NAT
Southern hemisphere on mineral technology - [S.I.] [s.n.] 1982 - 2v. (v.1-650; v.2-xvi, 657-1202 p.)
Hydrometallurgy
669.0283 / NAT