1. V. N. Zikeev, Modern structural steels for machine construction,? Metal. i Term. Obrabotka Metal., 4, 5?8 (1972).
2. A. P. Gulyaev and V. P. Emelina, ?Effect of alloying elements on properties of ferrite,? Stal', 12, 139?143 (1947).
3. V. M. Doronin, ?Effect of elements on mechanical properties of alloyed ferrite,? Stal' 4, 349?353 (1952).
4. A. A. Spektor, V. I. Sarrak, and R. I. Éntin, ?Reasons for the effect of nickel on cold brittleness of iron,? Dokl. Akad. Nauk SSSR,155, 5, 1054?1057 (1964).
5. Ya. E. Gol'dshtein and G. A. Charushnikova, ?Effect of nickel on cold brittleness of steel,? Metal. i Term. Obrabotka Metal., 12, 12?15 (1962).