Influence of the activation conditions on the elimination of residual impurities on ceria-zirconia mixed oxides M. Daturi, C. Binet, J. C. Lavalley, H. Vidal, J. Kaspar, M. Graziani and G. Blanchard J. Chim. Phys., 95 9 (1998) 2048-2060 DOI: 10.1051/jcp:1998353