Ores and metals : a report of the Ancient Mining and Metallurgy Committee, Royal Anthropological Institute - Coghlan, H. H. (Herbert Henery); Butler, J. R.; Parker, George; Royal Anthropological Institute of Great Britain and Ireland. Ancient Mining and Metallurgy Committee (London : Royal Anthropological Institute of Great Britain and Ireland, 1963)
Keywords: Ores -- Sampling and estimation; Metallurgical analysis