Singidas, B.G., Uy, M.B. and Sarmago, R.V. 2003. Frequency and applied magnetic field dependence of the hysteresis loss peak of YBCO in purely AC magnetic fields. Proceedings of the Samahang Pisika ng Pilipinas, 21(1), SPP-2003-2D-03. URL: https://proceedings.spp-online.org/article/view/SPP-2003-2D-03.