Fanti, A., G. Montisci, G. Mazzarella, and G. A. Casula. 2021. “VFD Approach to the Computation TE and TM Modes in Elliptic Waveguide on TM Grid”. Applied Computational Electromagnetics Society Journal (ACES) 28 (12):1205-12. https://journals.riverpublishers.com/index.php/ACES/article/view/11249.