@misc{indiciaee2801464d444,
  title = {Optical third-harmonic generation in polyacetylene.},
  author = {F Krausz and E Wintner and G Leising},
  year = {1989},
  doi = {10.1103/physrevb.39.3701},
  url = {https://pubmed.ncbi.nlm.nih.gov/9948692/},
  note = {Source identifier: 9948692}
}