au.\*:("NONNON R")
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ECONOMIC ASPECTS OF THE COPPER MARKET IN WESTERN EUROPE.NONNON R.sdIN: COPPER METALL. PRACT. THEOR. PAP. MEET. INST. MIN. METAL., CENT. BELGE INF. CUIVRE; BRUSSELS; 1975; LONDON INST. MIN. METAL.,1975, P. 63 A 66Miscellaneous
