@misc{indiciae9d0740cd2a2b,
  title = {Mutually Counteracting Pinhole Probes.},
  author = {C Barus},
  year = {1926},
  doi = {10.1073/pnas.12.4.223},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576982/},
  note = {Source identifier: 16576982}
}