1. Ewing, J. A. and Humphrey, J. C., “Fracture of Metals Under Repeated Alternations of Stress,” Philosophical Transactions of the Royal Society of London, Vol. 200, Series A, 1903, pp. 241–253.
2. Forsyth, P. J. E., “A Two Stage Process of Fatigue Crack Growth,” Proc., Symp. on Crack Propagation, Cranfield, England, 1961, pp. 76–94.
3. Bannantine, J. A. and D. F. Socie, “Observations of Cracking Behavior in Tension and Torsion Low Cycle Fatigue,” ASTM Symposium on Low Cycle Fatigue-Directions for the Future, STP 942, 1987.
4. Socie, D. F., “Multiaxial Fatigue Damage,” presented at Fifth International Conference on Mechanical Behavior of Materials, Beijing, China, 1987.
5. Socie, D. F., “Fatigue Damage Maps,” Third International Conference on Fatigue and Fatigue Thresholds, 1987, Charlottesville, VA.