1. W. L. Server, Impact three-point bend testing for notched and precracked specimens, J. Testing & Evaluation, JTEVA, 6: 29 (1978).
2. P. T. Lum, C. H. Currll, Variable affecting reproducibility of the instrumented impact test, in Reproducibility and Accuracy of Mechanical Tests, ASTM STP 626, ASTM, Philadelphia (1977), p. 21.
3. T. Kozuka, H. Yoshida, KURRI-TR (to be published).
4. H. Yoshida, T. Kozuka, K. Miyata, H. Kodaka, Y. Hayashi, Proc. ICMC, Kobe (1982).
5. Special Steel Handbook, Sanyo Special Steel Co.