@misc{indiciaec1722c9ada31,
  title = {Second-order nonlinear effects in asymmetric quantum-well structures.},
  author = {J Khurgin},
  year = {1988},
  doi = {10.1103/physrevb.38.4056},
  url = {https://pubmed.ncbi.nlm.nih.gov/9946780/},
  note = {Source identifier: 9946780}
}