1. K.O. Yu et al., “Solidification Modeling of Single Crystal Investment Castings,” AFS Transactions, 97 (1990), pp. 417–428.
2. Manufacturing Technology for Advanced Propulsion Materials WL-TR-91-8047, vol. 1, Phase IX, Advanced Turbine Airfoil Casting Technology, Task 2: Casting Simulation, Wright Laboratories, Air Force Systems Command, Wright-Patterson Air Force Base (February 1992).
3. J.S. Tu and R.K. Foran, “The Application of Defect Maps in the Process Modeling of Single-Crystal Investment Casting,” JOM, 44(6) (1992), pp. 26–28.
4. K.O. Yu et al., “Solidification Modeling of Complex-Shaped Single Crystal Turbine Airfoils,” Superalloys 1992, ed. S. Antolovich et al. (Warrendale, PA: TMS, 1992), pp. 135–144.
5. S.M. Copely et al., “The Origin of Freckles in Unidirectionally Solidified Castings,” Metallurgical Transactions, 1 (1970), pp. 2193–2204.