@misc{indiciae7ade20de1944,
  title = {Phase-matching effects in strong-field harmonic generation.},
  author = {P Balcou and A L'Huillier},
  year = {1993},
  doi = {10.1103/physreva.47.1447},
  url = {https://pubmed.ncbi.nlm.nih.gov/9909069/},
  note = {Source identifier: 9909069}
}