@misc{indiciae8173083ea01b,
  title = {Subjective variables in electro-physiological recording.},
  author = {L R Haward},
  year = {1967},
  doi = {10.1007/bf01601988},
  url = {https://pubmed.ncbi.nlm.nih.gov/4967352/},
  note = {Source identifier: 4967352}
}