{"id":"000385731","type":"book","title":"Velsen. The 1997 excavations in the early Roman base and a reappraisal of the post-Kalkriese Velsen-Vechten dating evidence","pages":"31-62","container-title":"Archaeology in confrontation. Aspects of Roman military presence in the Northwest. Studies in honour of Prof. em. Hugo Thoen","author":[{"family":"Bosman","given":"A."}]}