Kim, Yeong Min. “ADDENDUM TO: A Study on the Eigen Properties of the Coaxial Waveguide of Cylindrical Form”. Transactions on Engineering and Computing Sciences 11, no. 5 (November 1, 2023): 101–108. Accessed November 22, 2024. https://journals.scholarpublishing.org/index.php/TMLAI/article/view/15790.