參考網頁
	Introduction to Waves
	Riley 書 Solution
	開放式課程計畫
	Yehuda Pinchover's 個人首頁 : e-book Ch.1 (Sol pdf.) Web(lecture/solutions05)
	Morten
	Partial Differential Equations with Fourier Series and Boundary Value Problems Second Edition by Nakhle H. Asmar
	師大物理教學動畫網 (黃福坤 教授)