@misc{indiciaee06e84dbc228,
  title = {Second-harmonic generation in graded metallic films.},
  author = {J P Huang and K W Yu},
  year = {2005},
  doi = {10.1364/ol.30.000275},
  url = {https://pubmed.ncbi.nlm.nih.gov/15751883/},
  note = {Source identifier: 15751883}
}