{"id":"003002952","type":"article","title":"Calcareous nannofossils in medieval mortar and mortar-based materials","publisher":"Oxford University, Research Laboratory for Archaeology and the History of Art","publisher-place":"Oxford","pages":"19-39","container-title":"Archaeometry, 63 (2021","author":[{"family":"Falkenberg","given":"J."},{"family":"Mutterlose","given":"J."},{"family":"Kaplan","given":"U."}],"issued":{"raw":"2021"}}