@misc{indiciaef0f001b82a65,
  title = {An EEG interval spectrum analyser.},
  author = {J F Toennies},
  year = {1969},
  doi = {10.1016/0013-4694(69)91330-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4187380/},
  note = {Source identifier: 4187380}
}