@article{1031,
  author = {Y. An and Steven Cundiff},
  title = {Phase inversion in rotational anisotropy of second harmonic generation at Si(001) interfaces},
  year = {2003},
  journal = {Physical Review B},
  volume = {67},
  month = {5/2003},
  issn = {0163-1829},
  doi = {10.1103/PhysRevB.67.193302},
}