@misc{indiciae700af43d4214,
  title = {Spectrum of second-harmonic generation for multimode fields.},
  author = {YB Band and DF Heller and JR Ackerhalt and JS Krasinski},
  year = {1990},
  doi = {10.1103/physreva.42.1515},
  url = {https://pubmed.ncbi.nlm.nih.gov/9904184/},
  note = {Source identifier: 9904184}
}