{"id":"001233229","type":"book","title":"[Review of:] Technology and analysis of ancient gemstones. Technologie et analyse des gemmes anciennes. Proceedings of the European Workshop held at Ravello, European University Centre for Cultural Heritage, november 13-16, 1987","publisher-place":"Bruxelles","pages":"363-367","container-title":"Revue Belge de Numismatique et de Sigillographie, 139 (1993","author":[{"family":"Colaert","given":"M."}],"issued":{"raw":"1993"}}