{"id":"001023210","type":"book","title":"X-ray florescence analysis of obsidian tools","publisher":"Archaeopress","publisher-place":"Oxford","pages":"709-713","container-title":"Archaeometry 98 (2). Proceedings of the 31st Symposium Budapest, April 26-May 3,1998. 2","author":[{"family":"Francesco","given":"A. M. de"}],"issued":{"raw":"2002"}}