Varun Singh (2021) “A Finite Difference Frequency Domain Based Full Vectorial Transverse Modesolver for Anisotropic Waveguides with Arbitrary Permittivity and Permeability Tensors”, Applied Computational Electromagnetics Society Journal (ACES), 33(07), pp. 806–809. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/9087 (Accessed: 22 April 2026).