1. PIXE: A Novel Technique for Elemental Analysis;Johansson,1988
2. http://www.fastcomtec.com/
3. The Guelph PIXE software package
4. http://www.srim.org
5. M. Mayer, SIMNRA User's Guide, Report IPP 9/113, Max-Planck-Institut für Plasmaphysik, Garching, Germany, 1997