Enhancement of magnetoresistance in cobaltites by manganese substitution: the oxide La0.8Sr0.2Co1-xMnxO3A. Maignan, C. Martin, M. Hervieu and B. RaveauEur. Phys. J. B, 13 1 (2000) 41-45DOI: https://doi.org/10.1007/s100510050008