Tio, J.E. and Daza, M.R.H. 2001. Theoretical analysis of one-dimensional photonic crystal with defects. Proceedings of the Samahang Pisika ng Pilipinas, 19(1), SPP-2001-H1C-4. URL: https://proceedings.spp-online.org/article/view/SPP-2001-H1C-4.