@misc{indiciae1385a0f275bd,
  title = {Evaluation of two-photon nonlinearity by a semiclassical method.},
  author = {Kazuki Koshino and Hajime Ishihara},
  year = {2004},
  doi = {10.1103/physrevlett.93.173601},
  url = {https://pubmed.ncbi.nlm.nih.gov/15525076/},
  note = {Source identifier: 15525076}
}