@misc{indiciae838a28c41bdf,
  title = {Phonons in broken-symmetry structures.},
  author = {BS Tosic and JP Setrajcic and RP Djajic-Jovanovic and DL Mirjanic},
  year = {1987},
  doi = {10.1103/physrevb.36.9094},
  url = {https://pubmed.ncbi.nlm.nih.gov/9942769/},
  note = {Source identifier: 9942769}
}