@misc{indiciae2d2097db7ace,
  title = {Oscilloscope conversion for biopotential measurements.},
  author = {W M Caldwell and T R Ebeling},
  year = {1973},
  doi = {10.1007/bf02483697},
  url = {https://pubmed.ncbi.nlm.nih.gov/4729091/},
  note = {Source identifier: 4729091}
}