@misc{indiciae40f6fd4e22cc,
  title = {Analysis of frequency components in time series data.},
  author = {Z Frostig and R D Frostig},
  year = {1987},
  doi = {10.1016/0165-0270(87)90093-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/3695571/},
  note = {Source identifier: 3695571}
}