@misc{indiciae415925e7fe06,
  title = {Large enhancements in nonlinear generation by external electromagnetic fields.},
  author = {GS Agarwal and SP Tewari},
  year = {1993},
  doi = {10.1103/physrevlett.70.1417},
  url = {https://pubmed.ncbi.nlm.nih.gov/10053287/},
  note = {Source identifier: 10053287}
}