Enhanced manganese content in Mn-MCM-41 mesoporous silicas J. El Haskouri, S. Cabrera, A. Beltran, C. Guillem, D. Beltran, J. Latorre, M.D. Marcos and P. Amoros J. Phys. IV France, 123 (2005) 65-69 DOI: 10.1051/jp4:2005123010
