1. 1) V. V. Averin, A. Y. Polyakov and A. M. Samarin: Izvestiya Akademii Nauk SSSR, Otdelenie Tekn. Nauk, 3 (1955), 90.
2. 2) N. A. Gokcen: AIME Trans., 206 (1956), 1558;
3. N. A. Gokcen: J. Metals, Nov., 1956.
4. 3) T. P. Floridis and J. Chipman: Trans. Metallurgical Soc., AIME, 212 (1958), 549.
5. 4) M. G. Fontana and J. Chipman: Trans. ASM, 24 (1936), 313.