Mahinay, C.L.S., Malapit, G.M. and Ramos, H.J. 2010. Ion currents and energy spreads for Zr-, Cu- and Au-ion beams in a plasma sputter-type negative ion source. Proceedings of the Samahang Pisika ng Pilipinas, 28(1), SPP-2010-6B-03. URL: https://proceedings.spp-online.org/article/view/SPP-2010-6B-03.