Quantitative Surface Analysis by Xps (X-Ray Photoelectron Spectroscopy): Application to Hydrotreating CatalystsP. Beccat, P. Da Silva, Y. Huiban and S. KasztelanOil & Gas Science and Technology - Rev. IFP, 54 4 (1999) 487-496DOI: https://doi.org/10.2516/ogst:1999042