@misc{indiciaed9b039c81de8,
  title = {Automatic computer processing of ultralow frequency ballistocardiograms.},
  author = {W H Bancroft and M Tucker and D H Jackson and E E Eddleman},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4584390/},
  note = {Source identifier: 4584390}
}