@misc{indiciaed32f17a02199,
  title = {Squeezing in a Rydberg atom maser.},
  author = {A Heidmann and JM Raimond and S Reynaud},
  year = {1985},
  doi = {10.1103/physrevlett.54.326},
  url = {https://pubmed.ncbi.nlm.nih.gov/10031481/},
  note = {Source identifier: 10031481}
}