1. Probability based load criteria for american national standard A58;Ellingwod,1980
2. Nowak AS. Calibration of LRFD bridge design code, Final Report, NCHRP 12-33, Transportation Research Board, Washington, DC, 1993.
3. AISC, Manual of steel construction — load and resistance factor design, American Institute of Steel Construction, Chicago, 1996.
4. API RP 2A-LRFD. Recommended practice for planning, designing and constructing fixed offshore platforms — load and resistance factor design, American Petroleum Institute, 1993.
5. Formulation of load factors based on optimum reliability;Ellingwood;J Struct Safety,1991