Rodgers, P.L., Navaja, H.R.A. and Sarmago, R.V. 2003. SEM study of nanosize defects in powder-formed YBCO. Proceedings of the Samahang Pisika ng Pilipinas, 21(1), SPP-2003-PB-31. URL: https://proceedings.spp-online.org/article/view/SPP-2003-PB-31.