1. K.O. Yu et al., “Solidification Modeling of Single Crystal Inveshnent Casting”, 1990 AFS Transactions.
2. M. Mclean, Directionally Solidified Millerills for High Temperature Service (London: The Metal Society, 1983), p. 26.
3. E. Niyama et al., “A Method of Shrinkage Prediction and Its Application to Steel Casling Practice”, AFS International Cast Melals Journal (September 1982), p. 52.