1. A Considére:Ann. Ponts Chaussees, 1885, vol. 9, pp. 574–75.
2. E.W. Hart:Acta Metall., 15, 351–55 (1967).
3. J. Campbell:J. Mech. Phys. Solids, 15, 359–70 (1967).
4. D. Lee and W.A. Backofen:Trans. AIME, 239, 1034–40 (1967).
5. D.A. Woodford:Trans. Am. Soc. Met., 62, 291–93 (1969).