[1]
Manaois, C.O. and Hermosa, N.P. 2005. Optical structures with linearly increasing non-integer topological charge. Proceedings of the Samahang Pisika ng Pilipinas, 23(1), SPP-2005-1A-01. URL: https://proceedings.spp-online.org/article/view/SPP-2005-1A-01.