@misc{indiciae49c122f11b3e,
  title = {Direct observation of surface-trapped diffracted waves.},
  author = {T Jach and DB Novotny and MJ Bedzyk and Q Shen},
  year = {1989},
  doi = {10.1103/physrevb.40.5557},
  url = {https://pubmed.ncbi.nlm.nih.gov/9992589/},
  note = {Source identifier: 9992589}
}