@misc{indiciae3aab29e98906,
  title = {Efficient algorithm for calculating two-photon absorption spectra.},
  author = {T Iitaka and T Ebisuzaki},
  year = {1999},
  doi = {10.1103/physreve.60.r1178},
  url = {https://pubmed.ncbi.nlm.nih.gov/11969947/},
  note = {Source identifier: 11969947}
}