@misc{indiciaefae715a7aaf3,
  title = {Long-lived phonons.},
  author = {J Qu and WE Bron},
  year = {1993},
  doi = {10.1103/physrevb.48.6720},
  url = {https://pubmed.ncbi.nlm.nih.gov/10009242/},
  note = {Source identifier: 10009242}
}