@misc{indiciae7f12a9b6fda9,
  title = {Optical pumping with nonclassical light.},
  author = {AS Parkins},
  year = {1996},
  doi = {10.1103/physreva.53.2893},
  url = {https://pubmed.ncbi.nlm.nih.gov/9913211/},
  note = {Source identifier: 9913211}
}