1) LIGHT METAL STATISTICS IN JAPAN, (JAPAN ALUMINIUM ASSOCIATION, 1999) pp. 60-61.
2) N. Thompson and N. J. Wadsworth: Advances in Physics, 7(1958) 72-169.
3) A. J. Kennedy: Process of Creep and Fatigue in Metals, (Oliver and Boyd, Edenburgh and London, 1962) pp. 301-313.
4) M. F. Ashby and D. R. H. Jones: Engineering Materials, Japanese version, (Translated by R. Horiuchi, J. Kaneko and M. Ootsuka, Uchida Roukakuho, 1999) pp. 166.
5) H. Suzuki, M. Kanno, M. Tsubota and K. Hayashi: J. JILM 27(1977) 503-511.