@misc{indiciaed293090fb314,
  title = {Propagating modes in quasicrystals.},
  author = {H Patel and D Sherrington},
  year = {1989},
  doi = {10.1103/physrevb.40.11185},
  url = {https://pubmed.ncbi.nlm.nih.gov/9991682/},
  note = {Source identifier: 9991682}
}