Magnetic susceptibility measurements of Bi2Sr2Ca1-xYxCu2O8+δ - Atienza, Sersita Suzette Q.; Llaguno, Mark C.; Madriñan, Marie Josephine C.; De Luna, Luis H.; Develos, Katherine D.; Villaflor, Antonio B.; Sarmago, Roland V. (Proceedings of the 12th National Physics Congress of the Samahang Pisika ng Pilipinas, 1994)