{"id":"001574638","type":"article","title":"Papa Bulla: een boodschap van boven?","publisher":"Uitgeverij Matrijs","publisher-place":"Utrecht","pages":"2-9","container-title":"Archeologie in Nederland, 2 (2018","author":[{"family":"Bartels","given":"Michiel H. 1965-"}],"issued":{"raw":"2018"}}