By any chance, does anyone have a copy of this paper from the 11th ICXOM? (Or access to that hard-to-find volume)
Journal Title: 11th International Congress on X-ray Optics and Microanalysis : ICXOM 11, London, 4-8 Aug. '86, Canada = 11ème Congrès international d'optique des rayons X et de microanalyse
Article Author: Pouchou L, Pichoir F
Article Title: Basic Expression of "PAP" Computation for Quantitative EPMA
Date: 1987(1986)
Pages: 249+
Thanks.
John