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2. W. E. Cooper, “The Significance of the Tensile Test to Pressure Vessel Design,” Welding Research Supplement, pp. 49–56, January 1957.
3. T. C. Hsu, S. R. Davies and R. Royles, “A Study of Stress-Strain Relationship in the Work-Hardening Range,” ASME Transactions, September 1967.
4. J. J. Gelman, “Fracture in Solids,” Scientific American, Vol. 202, No. 2, pp. 94–104, February, 1960.
5. A. S. Tetelman and A. J. McEvily, Jr., Fracture of Structural Materials, John Wiley & Sons, New York, 1967.