@misc{indiciae13969221a676,
  title = {Surface phonons on Bi2Sr2CaCu2O8+ delta.},
  author = {RB Phelps and P Akavoor and LL Kesmodel and JE Demuth and DB Mitzi},
  year = {1993},
  doi = {10.1103/physrevb.48.12936},
  url = {https://pubmed.ncbi.nlm.nih.gov/10007669/},
  note = {Source identifier: 10007669}
}