%0 Journal Article %J Proceedings of the prehistoric society %D 1976 %T Obsidian in the western Mediterranean: characterisation by neutron activation analysis and optical emission spectroscopy %A Hallam, B. R. %A Warren, S. E. %A Renfrew, Colin %K Archaeology %K Europe %K Western Mediterranean %P 85-110 %V 42 %Z Illus., maps, bibliogrSource of data: Anthropological Index, Royal Anthropological Institute