@misc{indiciaef439c4a0400c,
  title = {An Electrodynamometer Using the Vibration Telescope.},
  author = {C Barus},
  year = {1919},
  doi = {10.1073/pnas.5.6.211},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576375/},
  note = {Source identifier: 16576375}
}