1. H. Suzuki:Sci. Rep. Res. Inst. Tohoku Univ., 1952, vol. A4, p. 452.
2. H. Suzuki:Dislocations and Mechanical Properties of Crystals, p. 361, John Wiley & Sons, New York, 1957.
3. H. Suzuki:J. Phys. Soc. Japan, 1962, vol. 17, p. 322.
4. P. A. Flinn:Acta Met., 1958, vol. 6, p. 631.
5. P. A. Flinn: Strengthening Mechanisms in Solids, p. 17, ASM, Cleveland, 1960.