@article{833486,
  author = {Y An and Steven Cundiff},
  title = {Bulk and Surface Contributions to Resonant Second -Harmonic Generation From Si(001) Surfaces},
  year = {2002},
  number = {81},
  month = {2002-12-01 00:12:00},
  publisher = {Applied Physics Letters},
  language = {en},
}