1. H. Ono and T. Tsuneri, ?A fatigue crack propagation model for application to service loads,? Fatigue Fract, Eng. Mater.,10, No. 6, 447?460 (1987).
2. H. Howack, K. H. Trantmann, K. Schulte, and G. Liitjering, ?Sequence effects on fatigue crack propagation,? in: Mech. and Microstruc. Contributions. Fract. Mech., ASTM STP No. 677 (1979), pp. 36?53.
3. C. Robin, M. Louan, and Pluvinage, ?Influence of an overload on the fatigue crack growth in steels,? Fatigue Eng. Mater, and Struct.,6, No. 1, 1?13 (1983).
4. D. L. McDiarmid, W. Choy, and T. M. Lee, ?The effect of mean-stress on delay in fatigue crack growth under load stepdown,? Int. J. Fat. Mater. Structu.,6, No. 2, 101?105 (1984).
5. Quigzhi He, ?A model for calcualting the fatigue crack opening load and its applications,? Fatigue Eng. Mater. Struct.,7, No. 1, 41?53 (1984).