@misc{indiciaec430f0d9b4ef,
  title = {Second-harmonic generation from SiO2/Si(111) interfaces.},
  author = {F Ito and H Hirayama},
  year = {1994},
  doi = {10.1103/physrevb.50.11208},
  url = {https://pubmed.ncbi.nlm.nih.gov/9975239/},
  note = {Source identifier: 9975239}
}