N. Kamiya, “Transient Thermal Stress in Bimodulus Sphere with Orthotropic Temperature-Dependent Properties”, Eng. Trans., vol. 28, no. 1, pp. 61–74, Mar. 1980, Accessed: Apr. 24, 2025. [Online]. Available: https://et3.ippt.pan.pl/index.php/et/article/view/2044