@misc{indiciae3fcf7d349089,
  title = {Adatom vibrations on Si(111) reconstructed surfaces.},
  author = {W Daum and H Ibach and JE Müller},
  year = {1987},
  doi = {10.1103/physrevlett.59.1593},
  url = {https://pubmed.ncbi.nlm.nih.gov/10035276/},
  note = {Source identifier: 10035276}
}