@article{1311411,
  author = {S Apell and David Penn and P Johansson},
  title = {Circularly Polarized Light Emission in Scanning Tunneling Microscopy of Magnetic Systems},
  year = {2000},
  number = {61},
  month = {2000-01-01 00:01:00},
  publisher = {Physical Review B (Condensed Matter and Materials Physics)},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620513},
  language = {en},
}