Perez, G.J.P., Lim, M.T. and Saloma, C.A. 2004. Effects of clustering and a priori knowledge in panic dynamics. Proceedings of the Samahang Pisika ng Pilipinas, 22(1), SPP-2004-2G-03. URL: https://proceedings.spp-online.org/article/view/SPP-2004-2G-03.