XPS study of MoO2, WO2 and WO3 and their catalytic activities in the izomerization reactions of alkanesA Katrib, V Logie, M Peter, P Wehrer, L Hilaire and G MaireJ. Chim. Phys., 94 (1997) 1923-1937DOI: https://doi.org/10.1051/jcp/1997941923