{"id":"001293579","type":"book","title":"De opgravingen van Van Giffen in Hatsum bij Dronrijp (1920-'22)","pages":"86-93","container-title":"Jaarverslagen van de Vereeniging voor Terpenonderzoek, 75 (1991","author":[{"family":"Galestin","given":"M. C."}],"issued":{"raw":"1991"}}