@misc{indiciae1edf97d94aa1,
  title = {A mechanical stromuhr.},
  author = {H Barcroft},
  year = {1929},
  doi = {10.1113/jphysiol.1929.sp002582},
  url = {https://pubmed.ncbi.nlm.nih.gov/16994044/},
  note = {Source identifier: 16994044}
}