Sumer, B. M., Fredsøe, J., "Experimental Study of 2D Scour and its Protection at a Rubble-mound Breakwater", Coastal Engineering, 2000, 40 (1), 59-78.
 US Army Corps of Engineers, "Coastal Engineering Manual (CEM), Fundamentals of Design", Washington, DC US, 2006.
 Xie, S. L., "Scouring Patterns in Front of Vertical Breakwaters and their Influence on the Stability of the Foundations of the Breakwaters", Report Prepared for Department of Civil Engineering, Delft University of Technology, the Netherlands, 1981.
 Fowler, J. E., "Scour Problems and Methods for Prediction of Maximum Scour at Vertical Sea Walls", Technical Report CERC-92-16, US Army Corps of Engineers, Waterways Experiment Station, 1992.
 Sutherland. J., Obhari, C., Whitehouse .R. J. S., "Laboratory Tests of Scour at a Seawall", Report Prepared for University of Southampton, UK, 2006.
 Tsai, C-P., Chen H-B., You, S-S., "Toe Scour of Seawall on a Steep Seabed by Breaking Waves", Journal of Waterway, Port, Coastal, and Ocean Engineering, 2009, 135 (2), 61-68.
 Koza, J. R., "Genetic Programming", the MIT Press, Cambridge, Massachusetts, 1992.
 Goldberg, D. E., "Genetic Algorithms in Search, Optimization, and Machine Learning", Addison-Wesley, Reading, Mass, 1989.
 Ghorbani, M. A., Rahman, Khatibi, R., Aytek, A., Makarynskyy, O., Shiri, J. "Sea water level Forecasting Using Genetic Programming and Comparing the Performance with Artificial Neural Networks", Computers & Geosciences, 2010, 36, 620-627.