Copper.
Copper Development Association.
[London : Copper Development Association],
1967-1969.
Journal of the Copper Development Association, Jan. 1967-
Continues: Copper, published 1957-66 with different numbering designation.
Copper
Copper
Copper (London, England : 1957)
Copper abstracts
Selected abstracts of recent literature on copper and copper alloys
Copper (Geneva, Switzerland)