@article{article,
  author = {David Penn},
  title = {Citation Classic in Current Contents, {\textquoteright}Wave-Number-Dependent Dielectric Function of a Semiconductor{\textquoteright}},
  year = {1985},
  number = {25},
  month = {1985-01-01},
  publisher = {Current Contents/Physical Chemical \& Earth Sciences},
  language = {en},
}