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2. W. F. BrownJr. and J. E. Srawley, Plane Strain Crack Toughness Testing of HIgh Strength Metallic Materials, ASTM-STP 410 (1966) 11–12.
3. C. E. Fedderson, discussion in Plane Strain Crack Toughness Testing of High Strength Metallic Materials, ASTM-STP 410 (1966) 77–79.
4. A. J. Brothers, Fatigue Crack Growth in Nuclear Reactor Piping Steels, General Electric Research and Development Report GEAP-5607 (1968).
5. J. P. Gallagher, What the Designer Should Know About Fracture Mechanics Fundamentals, presented at the Automotive Engineering Congress, Detroit (11–15 January 1971).