@misc{indiciae3342b6a720ca,
  title = {Measurements of optical phase variations using interfering multiphoton ionization processes.},
  author = {C Chen and DS Elliott},
  year = {1990},
  doi = {10.1103/physrevlett.65.1737},
  url = {https://pubmed.ncbi.nlm.nih.gov/10042350/},
  note = {Source identifier: 10042350}
}