High energy PIXE: New experimental K-shell ionization cross sections for silver and gold and comparison with theoretical values from ECPSSR/RECPSSR models, Hazim M, Koumeir C, Guertin A, Métivier V, Naja A, Servagent N, et al, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. sept 2020;479:120‑4. https://doi.org/10.1016/j.nimb.2020.06.028