Kuo , Zhang. “Comparative Analysis on Wave Modes Excited by Ring-Source and Azimuthally-Orthogonal-Point-Sources in a Multi-Layered Cylindrical Model”. Fundamental Research and Application of Physical Science Vol. 7 (July 3, 2023): 157–171. Accessed June 4, 2026. https://stm.bookpi.org/FRAPS-V7/article/view/11157.