@article{1334396,
  author = {David Penn and S Apell},
  title = {Anomalous Electron Energy Loss in Small Spheres},
  year = {1983},
  number = {16},
  month = {1983-01-01 00:01:00},
  publisher = {Journal of Physics C-Solid State Physics},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620234},
  language = {en},
}