Whitfield, Alan K, Bate, G C, Adams, Janine B, Cowley, Paul D, Froneman, P William, Gama, P T, Strydom, Nadine A, Taljaard, S, Theron, A K, Turpie, J K, Van Niekerk, L, Wooldridge, T H. A review of the ecology and management of temporarily open/closed estuaries in South Africa, with particular emphasis on river flow and mouth state as primary drivers of these systems. 2012.

Whitfield, Alan K, Adams, Janine B, Bate, G C, Bezuidenhout, K, Bornman, Thomas G, Cowley, Paul D, Froneman, P William, Gama, P T, James, Nicola C, Mackenzie, B, Riddin, T, Snow, G C, Strydom, Nadine A, Taljaard, S, Terörde, A I, Theron, A K, Turpie, J K, Van Niekerk, L, Vorwerk, Paul D, Wooldridge, T H. A multidisciplinary study of a small, temporarily open/closed South African estuary, with particular emphasis on the influence of mouth state on the ecology of the system. 2008.