@misc{indiciae252afe228cab,
  title = {Electron mean-free-path calculations using a model dielectric function.},
  author = {DR Penn},
  year = {1987},
  doi = {10.1103/physrevb.35.482},
  url = {https://pubmed.ncbi.nlm.nih.gov/9941428/},
  note = {Source identifier: 9941428}
}