Torralba, M.V.S. and Sarmago, R.V. 2002. Frequency and applied field dependence of in-phase and out-of-phase odd harmonic susceptibilities of YBCO. Proceedings of the Samahang Pisika ng Pilipinas, 20(1), SPP-2002-2G-02. URL: https://proceedings.spp-online.org/article/view/SPP-2002-2G-02.