Citation: Suematsu, H.; Akao, T.; Kawano, M.; Onda, T.; Yamauchi, H.; Ogiwara, H.; Karppinen, M.; Hayakawa, M. (1999). Peak effect in critical current density induced by oxygen non-stoichiometry in cation stoichiometric Sm Ba2 Cu3 O7-d superconductor. Physica C (Amsterdam), 324, pp. 161-171.