Copper, its ores, mining and extraction.
Edition: Rev. [ed.]. --
Series: C.D.A. publication -- no. 46.; C.D.A. publication (Copper Development Association) -- no. 46
Publisher: Copper Development Association
Published: 1967
Place of publication: London
Language: eng
Number of pages: 54
Subjects: Copper ores.; Copper -- Metallurgy.; Copper mines and mining.