@misc{indiciae95ecf34f8bfb,
  title = {Precise heart-rate control and heart-rate perception.},
  author = {R A McFarland and C Campbell},
  year = {1975},
  doi = {10.2466/pms.1975.41.3.730},
  url = {https://pubmed.ncbi.nlm.nih.gov/1215113/},
  note = {Source identifier: 1215113}
}