[3] Lam, K. Y., Liew, K. M., Chow, S. T., “Use of Two-Dimensional Orthogonal Polynomials for Vibration Analysis of Circular and Elliptical Plates”, Journal of Sound and Vibration, Vol. 154, Issue 2, pp. 261-269, April 1992.
You, B. C. (2014). 微型平衡電樞式揚聲器之電聲分析與設計 [master's thesis, National Tsing Hua University]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0016-2912201413503272