1. Weibull, W., J. Applied Mech., 1951, 18, 293.
2. Bury, K. V., Statistical Models in Applied Science. J. Wiley and Sons, New York, 1975.
3. Kapur, K. C. and Lamperson, L. R., Reliability in Engineering Design. J. Wiley & Sons, New York, 1977.
4. Kittl, P. and Diaz, G., Eng. Frac. Mech, 1990, 36(5), 749.
5. Neville, D. J., Proc. R. Soc. Lond., 1987, A. 410, 421.