1. Fulman, R. L., “Acta Metallurgica”, Vol. 5, No. 11, 1957.
2. Hollomon, H., Structure and Properties of Metals, Metallurgizdat (1957).
3. Bunin, K. P., Ivantsov, G. I. and Malinochka, Ya. N., Structure of Cast Iron, Mashgiz (1952).
4. Hillert, M. Steinhäiser, H., Jernkontorets Annaler, Vol. 144, No. 7, 1960.
5. D'Amico, C., Sneidewind, A., Trans. Amer. Fouudr. Assoc., Vol. 58, No. 4, 1941.