Determination of the optimum sintering temperature for the Pb-doped Bi 2223 phase superconductors prepared by the combustion method - Sarmago, Roland V.; Santos, Irma V.; Atienza, Sersita Suzette; Llaguno, Marc C.; Develos, Katherine; Cabillon, Susan; Villaflor, Antonio B. (Proceedings of the Samahang Pisika ng Pilipinas, 1994)