{"id":"000283179","type":"book","title":"Provenance studies of Middle Eastern obsidian sites in highland Iran","pages":"19-50","container-title":"Archaeological chemistry, [1]. A symposium sponsored by the Division of the History of Chemistry at the 165th Meeting of the American Chemical Society, Dallas, Tex., April 9 - 10, 1973","author":[{"family":"Blackman","given":"M.J."}]}