Holbrook, Martin (1999). «Real Time System to Aid Vessel Manoeuvering in the Derwent River». Coasts & Ports 1999: Challenges and Directions for the New Century; Proceedings of the 14th Australasian Coastal and Ocean Engineering Conference and the 7th Australasian Port and Harbour Conference (Engineers Australia): 279. Consultado el 5 de enero de 2019.
