Santos, G.N.C., Quiroga, R., Amistoso, J.O., Montecillo, A. and Sarmago, R.V. 1997. Unseeded vapor deposition of polycrystalline Pb1−xSnxTe. Proceedings of the Samahang Pisika ng Pilipinas, 15(1), SPP-1997-CM-07. URL: https://proceedings.spp-online.org/article/view/SPP-1997-CM-07.