@misc{indiciaed43252e72719,
  title = {Simple method for digitising electrical signals.},
  author = {N J Brown and P W Nicholson},
  year = {1976},
  doi = {10.1007/bf02477097},
  url = {https://pubmed.ncbi.nlm.nih.gov/1256100/},
  note = {Source identifier: 1256100}
}