@misc{indiciaead96fdf1a7fa,
  title = {Third-harmonic generation of polyacetylene.},
  author = {Cq Wu and X Sun},
  year = {1990},
  doi = {10.1103/physrevb.42.9736},
  url = {https://pubmed.ncbi.nlm.nih.gov/9995224/},
  note = {Source identifier: 9995224}
}