{"id":"001008997","type":"book","title":"Friezen, Franken en Vikingen","publisher":"ROB","publisher-place":"Amersfoort","pages":"82-119","container-title":"Romeinen, Friezen en Franken in het hart van Nederland : Van Traiectum tot Dorestad, 50 v.C.-900 n.C","author":[{"family":"Es","given":"W. A. van"}],"issued":{"raw":"1994"}}