[1]
R. Skelly, A. Ford, G. Summerhayes, J. Mialanes, and B. David, “Chemical Signatures & Social Interactions: Implications of west Fergusson Island obsidian at Hopo, east of the Vailala River (Gulf of Papua), Papua New Guinea”, Journal of Pacific Archaeology, vol. 7, no. 1, pp. 126-138, Feb. 2016.