McLusky, Sarah (9 October 2003). "Holding back the tide". Cities of Science. Archived from the original on 20 November 2008. Retrieved 20 January 2009.
Department of Civil Engineering. "Tees Barrage, Cleveland". University of Portsmouth. Archived from the original on 13 June 2008. Retrieved 21 November 2008.
Department of Civil Engineering. "Tees Barrage, Cleveland". University of Portsmouth. Archived from the original on 13 June 2008. Retrieved 21 November 2008.
McLusky, Sarah (9 October 2003). "Holding back the tide". Cities of Science. Archived from the original on 20 November 2008. Retrieved 20 January 2009.