Trubin, A. A. “Coupling Coefficients of the Spherical Dielectric Microresonators With Whispering Gallery Modes”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 62 (September 30, 2015): 49-61. Accessed November 21, 2024. https://radap.kpi.ua/radiotechnique/article/view/1074.