1. M. Frebel andB. Otte,Scripta Metall. 9 (1975) 1317.
2. J. J. Janecek andB. J. Pletka, in ?Solid ? Solid Phase Transformations?, edited by H. I. Aaronson, D. E. Laughlin, R. F. Sekerka and C. M. Wayman (TMS-AIME, Warrendale, 1982) p. 963.
3. M. Kaya andR. W. Smith,Acta Metall. 37 (1989) 1657.
4. Idem., ibid. 37 (1989) 1667.
5. D. Cheetham andN. Ridley,J. Inst. Metals 99 (1971) 371.