1. Ang A. H.‐S. and Tang W. H. (1984). Probability concepts in engineering planning and design volume II decision risk and reliability. John Wiley and Sons New York N.Y.
2. Benjamin J. R. and Cornell C. A. (1970). Probability statistics and decision for civil engineers. McGraw‐Hill Book Co. New York N.Y.
3. Bolotin V. V. (1969). Statistical methods in structural mechanics. Holden‐Day San Francisco Calif.
4. First Passage of Nonstationary Random Processes
5. Cramér H. and Leadbetter M. R. (1967). Stationary and related stochastic processes. John Wiley and Sons Inc. New York N.Y.