@misc{tanuma2011a,
  title = {Calculations of electron inelastic mean free paths. IX. Data for 41 elemental solids over the 50 eV to 30 keV range},
  author = {Tanuma, Shigeo, Powell, C. J., Penn, D. R.},
  publisher = {Wiley},
  year = {2011-02-08},
  keywords = {IMFP, TPP-2M, electron inelastic mean free paths, elemental solids}
}