@article {, title = {Obsidian in the western Mediterranean: characterisation by neutron activation analysis and optical emission spectroscopy}, journal = {Proceedings of the prehistoric society}, volume = {42}, year = {1976}, note = {Illus., maps, bibliogrSource of data: Anthropological Index, Royal Anthropological Institute}, pages = {85-110}, keywords = {Archaeology, Europe, Western Mediterranean}, author = {Hallam, B. R. and Warren, S. E. and Renfrew, Colin} }