@misc{indiciae1cc53bfb2898,
  title = {Two-photon interferometry over large distances.},
  author = {JD Franson},
  year = {1991},
  doi = {10.1103/physreva.44.4552},
  url = {https://pubmed.ncbi.nlm.nih.gov/9906495/},
  note = {Source identifier: 9906495}
}