Guerrero, R., Hermosa, N., Palima, D. and Daza, M.R. 1998. Pump beam depletion by inverse-ratio two-wave mixing in a BSO crystal. Proceedings of the Samahang Pisika ng Pilipinas, 16(1), SPP-1998-OP-06. URL: https://proceedings.spp-online.org/article/view/SPP-1998-OP-06.