@article{199,
  keywords = {paper},
  author = {E Luppi and Hannes Hübener and Valérie Véniard},
  title = {Ab initio second-order nonlinear optics in solids: second harmonic generation spectroscopy from Time-Dependent Functional Theory},
  year = {2010},
  journal = {PHYSICAL REVIEW B},
  volume = {82},
  number = {8},
  month = {DEC},
  doi = {10.1103/PhysRevB.82.235201},
}