Liang, P. T. (2007). 洞簫音色之Hilbert-Huang Transform(HHT)分析 [master's thesis, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU.2007.00959
JONES, G. S. (1973). Robert Swinhoe的著作. 臺灣省立博物館季刊, 26(1&2), 121-127. https://doi.org/10.6532/QJTM.197306_26(1_2).0003