5[5]Witt K J, Brauns J. The Influence of Parameter Variation on the Reliability [ A ]. Proc of the International Coference on Satety of Dams [ C ].1984: 273 - 280.
6[6]Yen B C, Ang A H S. Risks Analysis in Design of Hydraulic Projects [ A ]. Proc of the lst Int.Symp. on Stochastic Hydraulics [ c ]. 1971: 123- 129.
7[7]Ang A H S. Extended Reliability Basis of Structural Design under Uncertainties [ A ]. Proc.SAE, AIAA, ASCE, 9th Reliability and Maintainability Conference [ C ]. Annuals of Reliability, 1970,9:24 - 28.