1. J.M., Barsom and S.T., Rolfe, in Fracture and Fatigue Control in Structures, 2nd Edn., Prentice Hall, Englewood Cliffs, N.J. (1987).
2. R.W., Hertzberg and J.A., Manson, in Fatigue in Engineering Plastics, Academic Press, New York, N.Y. (1980).
3. R.O., Ritchie, International Metals Reviews 5 (1979) 205.
4. C.J., Beevers and R.L., Carlson, in Fatigue Crack Growth 30 years of Progress, R.A., Smith (ed.), Pergamon Press, N.Y. (1986) 89.
5. D.L., Davidson and S., Suresh (eds.), in Fatigue Crack Growth Threshold Concepts, The Metallurgical Society of AIME, Philadelphia, PA (1984).