Trubin, A. A. “Coupling Coefficients of the Disk Dielectric Microresonators With Whispering Gallery Modes”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 61 (June 30, 2015): 60-71. Accessed April 27, 2024. https://radap.kpi.ua/radiotechnique/article/view/1064.