G. Rodríguez Zurita, J. Pedraza-Contreras, R. Pastrana-Sanchez, A. Cornejo-Rodríguez, ., and J. Vazquez-Castillo, “Multiple beam interference with near-grazing waves in dielectric wedges:\ monochromatic and polychromatic cases”, Rev. Mex. Fís., vol. 44, no. 2, pp. 147–154, Jan. 1998.