Kleiza, Vytautas, and Jonas Kleiza. “A Method of Calculation of Specific Conductivity Tensor of a Anisotropic Media”. Lietuvos matematikos rinkinys 45, no. spec. (December 18, 2005): 422–425. Accessed May 18, 2024. https://www.journals.vu.lt/LMR/article/view/29204.