@misc{indiciae42b39b1d87b7,
  title = {The Vertical Interferometer.},
  author = {A A Michelson},
  year = {1920},
  doi = {10.1073/pnas.6.8.473},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576519/},
  note = {Source identifier: 16576519}
}