@misc{tanuma2004a,
  title = {Calculations of Electron Inelastic Mean Free Paths IV. Evaluation of calculated IMFPs and of the predictive IMFP formula TPP-2 for electron energies between 50 and 2000 eV},
  author = {Tanuma, S., Powell, C. J., Penn, D. R.},
  publisher = {Wiley },
  year = {2004-09-15},
  keywords = {IMFP, predictive IMFP formula TPP-2, Evaluations of TPP-2 formula}
}