{"id":"000329093","type":"book","title":"Das Signalsystem an der Hadriansmauer und seine Auswirkungen auf deren Aufbau","pages":"148-152","container-title":"Roman frontier studies 1989. Proceedings of the XVth International Congress of Roman Frontier Studies, [Canterbury 2-10 September 1989","author":[{"family":"Woolliscroft","given":"D."}]}