1. Seeger, A. 1975. Proc. of an Int. Conf. on Fundamental Aspects of Radiation Damage in Metals. October 6–101975, Gatlinburg, Tenn., U.S.A. p. 493
2. Schilling, W., Erhart, P. and Sonnenberg, K. 1975. Proc. of an Int. Conf. on Fundamental Aspects of Radiation Damage in Metals. October 6–101975, Gatlinburg, Tenn., U.S.A. pp.p. 470
3. Wollenberger, H. J. 1970.Vacancies and Interstitials in Metals, p. 215Amsterdam: North Holland Publ. Comp.