Grosjean, C. (1). On the frequency shift resulting from the perturbation of an electromagnetic TM wave-mode by a small metallic cylinder in a resonant cavity. Part 1: Detailed theoretical treatment. Revista Técnica De La Facultad De Ingeniería. Universidad Del Zulia, 18(1). Retrieved from https://www.produccioncientificaluz.org/index.php/tecnica/article/view/5466