Investigation of the two-phase transition of Pb-free Bi2Sr2Ca(n−1)CunO(2n+4)+δ (n=3) via the peak behavior in the out-of-phase AC magnetic susceptibility - Bugante, Jan Isaac L.; Herrera, Marvin U.; Sarmago, Roland V. (Proceedings of the 21st Samahang Pisika ng Pilipinas Physics Congress, 2003)