1. F. Garofaro, ?Fundamentals of creep and creep-rupture in metals?, translated by M. Adachi (Maruzen, Tokyo, 1968) p. 5.
2. R. W. Evans andB. Wilshire, ?Creep of metals and alloys (The Institute of Metals, London, 1985) p. 193.
3. R. W. Evans, P. J. Scharning andB. Wilshire, in ?Creep behaviour of crystalline solids?, edited by B. Wilshire and R. W. Evans (Pineridge Press, Swansea, 1985) Ch. 5, p. 201.
4. M. Tanaka, T. Sakaki andH. Iizuka,Acta Metall Mater. 39 (1991) 1549.
5. M. Tanaka,J. Mater. Sci. 28 (1993) 2750.