1[1]Meadowcroft I C & Allsop N W H."Probabilistic assessment of the safety of breakwater and seawalls"HR Report.IT.392.1994.
2[2]Stephan Mai.Risk Analysis of Coastal Protections at Tidal Coasts Proc.of the 2nd Int.Conf.Port Development & Coastal Environment,Varna,Bulgaria,2000.