@misc{indiciaeeac0cf90ab3b,
  title = {Hyperpolarizability dispersion measured for CH4.},
  author = {DP Shelton},
  year = {1986},
  doi = {10.1103/physreva.34.304},
  url = {https://pubmed.ncbi.nlm.nih.gov/9897252/},
  note = {Source identifier: 9897252}
}