Palima, D.Z., Gabayno, J.L., Amor, R.C. and Daza, M.R.H. 2000. Simultaneous determination of the spatial variation in the pretilt angle and thickness of a liquid crystal cell using the crystal rotation method. Proceedings of the Samahang Pisika ng Pilipinas, 18(1), SPP-2000-MS-01. URL: https://proceedings.spp-online.org/article/view/SPP-2000-MS-01.