Hamada, S. “Electrostatic Field Analysis of Anisotropic Conductive Media Using Voxel-Based Static Method of Moments With Fast Multipole Method”. European Journal of Computational Mechanics, vol. 25, no. 01-02, Jan. 2016, pp. 54-70, https://journals.riverpublishers.com/index.php/EJCM/article/view/824.