{"id":"000048233","type":"book","title":"The excavations at Wijnaldum","publisher":"Balkema","publisher-place":"Rotterdam [u.a","author":[{"family":"Besteman","given":"J. C."},{"family":"Bos","given":"J. M."},{"family":"Gerrets","given":"H. A."},{"family":"Heidinga","given":"H. A."},{"family":"Koning","given":"J. de"}],"issued":{"raw":"1999"}}