@misc{indiciaef2a06866be5c,
  title = {Signal-space projection method for separating MEG or EEG into components.},
  author = {M A Uusitalo and R J Ilmoniemi},
  year = {1997},
  doi = {10.1007/bf02534144},
  url = {https://pubmed.ncbi.nlm.nih.gov/9136207/},
  note = {Source identifier: 9136207}
}