Dazo, L.C. and Sarmago, R.V. 2005. On the synthesis of YBa2Cu3O7−δ: Effects of annealing conditions on homogeneity and oxygen content of polycrystalline samples. Proceedings of the Samahang Pisika ng Pilipinas, 23(1), SPP-2005-PA-18. URL: https://proceedings.spp-online.org/article/view/SPP-2005-PA-18.