Hilario, P., Bautista, G. and Daria, V. 2008. Laser scanning two-photon fluorescence microscope with a virtual pinhole. Proceedings of the Samahang Pisika ng Pilipinas, 26(1), SPP-2008-PA-28. URL: https://proceedings.spp-online.org/article/view/SPP-2008-PA-28.