{"id":"000737510","type":"book","title":"Detection of near-surface silver enrichment on Roman imperial silver coins by X-ray spectral analysis","publisher":"Research Laboratory for Archaeology and the History of Art, Oxford University","publisher-place":"Oxford","pages":"311-320","container-title":"Archaeometry, 41,2 (1999","author":[{"family":"Klockenkämper","given":"R"}],"issued":{"raw":"1999"}}