Fiedler, T, and A Öchsner. “Finite Element Analysis of the Temperature Dependent Conductivity of Metallic Hollow Sphere Structures”. The International Journal of Multiphysics 1, no. 3 (September 30, 2007): 283-290. Accessed October 5, 2025. https://themultiphysicsjournal.com/index.php/ijm/article/view/1-3-283.