{"id":"000258900","type":"book","title":"The early-Roman defended harbours at Velsen, Nort-Holland","pages":"200-212","container-title":"Studien zu den Militärgrenzen Roms, 3. 13. Internationaler Limeskongress, Aalen 1983. Vorträge","author":[{"family":"Morel","given":"J.M.A."}]}