{"id":"003056390","type":"book","title":"Grens van het Romeinse Rijk","publisher":"Uitgeverij Matrijs","publisher-place":"Utrecht","author":[{"family":"Heijden","given":"P. F. van der 1949-"},{"family":"Ginkel","given":"Evert van"},{"family":"Graafstal","given":"Erik P."}],"issued":{"raw":"2023"}}