1. O.C. Zienkiewicz, C. Emson, and P. Bettess, “A Novel Boundary Infinite Element”, Int. J. for Numerical Methods in Engineering, vol. 19, no. 3, pp. 393–404, 1983.
2. J.P. Bérenger, “A Perfectly Matched Layer for the Absorption of Electromagnetic Waves”, J. Comput. Phys., vol. 114, pp. 185–200, 1994.
3. Jianming Jin, The Finite Element Method in Electromagnetics, 2nd ed., Wiley-IEEE Press, 2002.
