@misc{indiciaef9a44ec6c835,
  title = {Phonon dispersion relation in YBa2Cu},
  author = {SL Chaplot},
  year = {1988},
  doi = {10.1103/physrevb.37.7435},
  url = {https://pubmed.ncbi.nlm.nih.gov/9944031/},
  note = {Source identifier: 9944031}
}