1. J. D. Hunt and K. A. Jackson, Trans. Met. Soc. AIME 236 (1966) 843.
2. W. A. Tiller, ?Liquid Metals and Solidifcation?, ASM, (1958) p. 276.
3. K. A. Jackson and J. D. Hunt, Trans. Met. Soc. AIME 236 (1966) 1129.
4. M. Hillert, ?The Mechanism of Phase Transformation in Crystalline Solids? (Inst. Met., 1969) p. 231.
5. Idem, Acta Met. 19 (1971) 769.