{"id":"001008998","type":"book","title":"Fosfaatkartering in het Kromme-Rijngebied","publisher":"ROB","publisher-place":"Amersfoort","pages":"122-125","container-title":"Romeinen, Friezen en Franken in het hart van Nederland : Van Traiectum tot Dorestad, 50 v.C.-900 n.C","author":[{"family":"Steenbeek","given":"R."}],"issued":{"raw":"1994"}}