An investigation on the effects of yttrium in the magnetoresistance of Bi2Sr2CaCu2O8+δ thin film - Blanca, Glaiza Rose; Santos, Erika; Dumlao, Geraldine; Manuel, Ayn Hazel; Sarmago, Roland (Proceedings of the 23rd Samahang Pisika ng Pilipinas Physics Congress, 2005)