Book Chapter Which obsidian is worth it?
Citation: Torrence R., Specht J., Fullagar, R. and Summerhayes G.. 1996. Which obsidian is worth it?. J. M. Davidson, G. Irwin, B. F. Leach, A. Pawley and D. Brown (ed). pp 211-224 In Oceanic Culture History: Essays in Honour of Roger Green. New Zealand Journal of Archaeology Special Publication. Dunedin.