@misc{indiciaea1d3266c2fad,
  title = {Tight-binding model calculation of surface optical response.},
  author = {WL Schaich},
  year = {1993},
  doi = {10.1103/physrevb.47.10852},
  url = {https://pubmed.ncbi.nlm.nih.gov/10005204/},
  note = {Source identifier: 10005204}
}