@misc{indiciae512af45ce89f,
  title = {High-order harmonic emission from mixed fields.},
  author = {MD Perry and JK Crane},
  year = {1993},
  doi = {10.1103/physreva.48.r4051},
  url = {https://pubmed.ncbi.nlm.nih.gov/9910101/},
  note = {Source identifier: 9910101}
}