1. B. S. Kasatkin, Structure and the Micromechanism of Brittle Fracture in Steel [in Russian], Tekhnika, Kiev (1964).
2. M. Holzmann and I. Mann, J. Iron Steel Inst.,204, No. 3 (1966).
3. D. I. Dingley and D. McLean, Acta Metallurg.,15, No. 5 (1967).
4. H. Conrad, S. Fenersteln, and L. Rice, Mater. Sci. and Engng.,2, No. 3 (1967).
5. A. G. Voinitskii, A. Ya. Krasovskii, and N. V. Novikov, in: The Reaction between Dislocations and Impurity Atoms in Metals and Alloys [in Russian], Izd. TPI, Tula (1969).