{"id":"000385732","type":"book","title":"Palynological analysis of samples from the harbour of the Roman fort at Velsen, province Noord-Holland, The Netherlands","pages":"63-72","container-title":"Archaeology in confrontation. Aspects of Roman military presence in the Northwest. Studies in honour of Prof. em. Hugo Thoen","author":[{"family":"Groenman-van Waateringe","given":"W."}]}