Wells, A. A., Brit. Weld. J., 10(1963) , 568, 12(1965) ,2 and 15(1968) , 221．
[2]
Burdekin, F. M. and Dawes, M. G., Conference on Practical Application of Fracture Mechanics to Pressure-Vessel Technology, 1971, Inst. Mech. Eng., London, p. 28．
[3]
Burdekin, F. M. and Stone, D. E. W., J.Strain Anal., 1(1966) , 145．
[4]
Iino, Y., Eng. Fract. Mech., 7(1975) , 205．
[5]
Andrews, E. H., Fracture, ed. by P. L. Pratt,Chapman and Hall, London,1969,p.881．
Manson, S. S. and Hirshberg, M.H.,Fatigue--An Interdisciplinary Approach, Syracuse Univ. Pr.,New York, 1961, p.133, Discussion by L. F.Coffin, p.173, Authors′Reply, p.176．
[12]
Calabrese, C. and Laird, C., Met. Trans.,5(1974) , 1785．
[13]
Van Swam, L. F. et al., Met. Trans., 6A(1975) ,45．
[14]
Freudenthal, A. F., Eng. Froct. Mech., 6(1974) ,78．
[15]
Tomkins, B. et al., Fracture, ed. by P.L. Pratt,Chapman and Hall,London,1969,p.712．
