1. H. C. Chao:Trans. ASM, 1967, vol. 60, pp. 37–50.
2. H. C. Chao:Tram. ASM, 1967, vol. 60, p. 549.
3. J. D. Defilippi and H. C. Chao:Met. Trans., 1971, vol. 2, pp. 3209–16.
4. H. C. Chao:Met. Trans. A, 1977, vol. 8A, pp. 1009–10.
5. R. W. Vieth and R. L. Whiteley: “Influence of Crystallography Orientations on Plastic Anisotropy in Deep Drawing Sheet Steel,” Anisotropy and Tensile Test Properties and Their Relationship to Sheet Metal Forming, Proceedings, IDDRG, London, 1964.