@misc{tanuma2003a,
  title = {Calculation of Electron Inelastic Mean Free Paths (IMFPs). VII. Reliability of the TPP-2M IMFP Predictive Equation},
  author = {Tanuma, Shigeo, Powell, C. J., Penn, D. R.},
  publisher = {Wiley},
  year = {2003-02-11},
  keywords = {IMFP, TPP-2M, number of valence electrons, elemental solids, XPS, electron inelastic mean free paths, surface sensitivity, IMFPs, AES, surface analysis}
}