@misc{indiciae65079ee207d5,
  title = {Rydberg constant and fundamental atomic physics.},
  author = {P Zhao and W Lichten and ZX Zhou and HP Layer and JC Bergquist},
  year = {1989},
  doi = {10.1103/physreva.39.2888},
  url = {https://pubmed.ncbi.nlm.nih.gov/9901580/},
  note = {Source identifier: 9901580}
}