Part I : Studies of alumina supported Pt-Ru catalysts by in situ X-ray absorption spectroscopyP. Esteban, G. Diaz, L. Guczi, F. Garin, P. Bernhardt, J.L. Schmitt and G. MaireJ. Chim. Phys., 86 (1989) 1727-1739DOI: https://doi.org/10.1051/jcp/1989861727