@misc{indiciae47a4081f111a,
  title = {Angular correlations of photons.},
  author = {I Bialynicki-Birula and Z Bialynicka-Birula},
  year = {1990},
  doi = {10.1103/physreva.42.2829},
  url = {https://pubmed.ncbi.nlm.nih.gov/9904353/},
  note = {Source identifier: 9904353}
}