Charge ordering-disordering in the Th-doped CaMnO3 M. Hervieu, C. Martin, A. Maignan, G. Van Tendeloo and B. Raveau Eur. Phys. J. B, 10 3 (1999) 397-408 Published online: 15 August 1999 DOI: 10.1007/s100510050869