<p>H.H. COGHLAN. «A note on Irish Copper Ores and Metals«. J.R. BUTLER. «A report on elements in Irish Coppers Ores«. G. PARKER. «A metallurgical study of four Bronze Age Implements«. Royal Anthropological Institute Occasional Paper no. 17.</p> Glasgow, 1963 64 p., 34 figures, broché. 18 x 25
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