1. J. Campbell, “Ten Rules for Good Casting,” Modern Castings, 97 (4) (1997), pp. 36–39.
2. J.J. Runyoro, “Design of Gating Systems” (Ph.D. thesis, University of Birmingham, U.K., 1992).
3. C.W.M. Nyahumwa, “Influence of Oxide Film Filling Defects on Fatigue Properties of Cast Al-7Si-Mg Alloy” (Ph.D. thesis, The University of Birmingham, U.K., 1997).
4. S. Fox and J. Campbell, “Liquid Metal Quality,” Int. J. Cast Met. Res., 14 (2002), pp. 335–340.
5. D. Stefanescu et al., editors, ASM Handbook, 9th edition, vol. 2 (Metals Park, OH: ASM, 1988), p. 2.