{"id":"000421875","type":"article","title":"Some aspects of the phosphate investigations at the excavation De Horden (Wijk bij Duurstede, the Netherlands)","pages":"361-373","container-title":"Berichten van de Rijksdienst voor het Oudheidkundig Bodemonderzoek, 33.1983","author":[{"family":"Steenbeek","given":"R."}],"issued":{"raw":"1983"}}