@misc{indiciae609b1f45ea93,
  title = {Three-step model for high-harmonic generation in many-electron systems.},
  author = {Robin Santra and Ariel Gordon},
  year = {2006},
  doi = {10.1103/physrevlett.96.073906},
  url = {https://pubmed.ncbi.nlm.nih.gov/16606094/},
  note = {Source identifier: 16606094}
}