Calcaterra, Alessandro, Fabrizio Frezza, Patrizio Simeoni, and Nicola Tedeschi. “Numerical Evaluation of Electromagnetic-Wave Penetration at Normal Incidence through an Inhomogeneous-Wave Approach”. Journal of Telecommunications and Information Technology 72, no. 2 (June 30, 2018): 76–86. Accessed June 15, 2026. https://www.jtit.pl/jtit/article/view/612.