International Symposium on Copper Extraction and Refining
YANNOPOULOS, J C
International Symposium on Copper Extraction and Refining - NEW YORK AMERICAN INSTITUTE OF MINING METALLURGICL AND PETROLEUM ENGINEERS 1976
COPPER --METALLURGY --CONGRESSES., MATELLURGY
F19113 / YAN
International Symposium on Copper Extraction and Refining - NEW YORK AMERICAN INSTITUTE OF MINING METALLURGICL AND PETROLEUM ENGINEERS 1976
COPPER --METALLURGY --CONGRESSES., MATELLURGY
F19113 / YAN