@article{1311081,
  author = {David Penn and E. Plummer},
  title = {Field Emission as a Probe of the Surface Density of States},
  year = {1974},
  number = {9},
  month = {1974-02-15 00:02:00},
  publisher = {Physical Review B (Condensed Matter and Materials Physics)},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620054},
  language = {en},
}