@misc{indiciaef13256feb21a,
  title = {Intense, narrow atomic-clock resonances.},
  author = {Y-Y Jau and A B Post and N N Kuzma and A M Braun and M V Romalis and W Happer},
  year = {2004},
  doi = {10.1103/physrevlett.92.110801},
  url = {https://pubmed.ncbi.nlm.nih.gov/15089119/},
  note = {Source identifier: 15089119}
}