Anomalous temperature behaviour of the mixed valence state of CePd 3 studied by XPS G. Krill, L. Abadli, M.F. Ravet, J.P. Kappler et A. Meyer J. Phys. France, 41 10 (1980) 1121-1125 DOI: 10.1051/jphys:0198000410100112100