1. Yan-bang Zhou. The Panorama of Titanium Alloy Casting. (Beijing, Beijing: Aeronautical Industry Press, 2000), 217.
2. Jin-you Wang. Titanium Alloy for Aviation. (Shanghai, Shanghai: Science and Technology Press, 1985), 66.
3. R. R. Boyer, “Titanium for aerospace: rationale and applications,” Advanced Performance Materials, 1995(2): 349–368.
4. F. S. Zou, C. Z. Wang, Y. Huang, “Optimizing Gating System Parameters of Die Casting in Virtue of Artificial Neural Network,” Research Studies on Foundry Equipment, 6 (2002) 12-r.
5. F. Shi, Z. L. Lou, Y. Q. Zhang, “Fuzzy Optimization of Cold Extrusion Mold Based on Genetic Algorithm and Neural Network,” CJME, 38 (2002) 45–49.