1. Ang A. H. S. and W. H. Tang (1984) Probability Concepts in Engineering Planning and Design Vol. 2 - Decision Risk and Reliability New York J. Wiley.
2. Baecher G. B. and J. T. Christian (2003). Reliability and Statistics in Geotechnical Engineering. Chichester West Sussex England ; Hoboken NJ J. Wiley.
3. Bromwell L.G. R. G. Dean and S. G. Vick (2006) Report of Expert Review Panel Technical Evaluation of Herbert Hoover Dike Lake Okeechobee Florida. Prepared for South Florida Water Management District. BCI Engineers and Scientists Lakeland Florida.
4. Janbu, Bjerrum and Kjaernsli's chart reinterpreted