@misc{indiciaeb055623fccfc,
  title = {A CARDIOTACHOMETER WITH FAST RESPONSE.},
  author = {J CZEKAJEWSKI and P A TOVE},
  year = {1965},
  doi = {10.1007/bf02474344},
  url = {https://pubmed.ncbi.nlm.nih.gov/14285759/},
  note = {Source identifier: 14285759}
}