@misc{767166,
  author = {Jon Geist and A. Schaefer and J-F. Song and Y. Wang and E. Zalewski},
  title = {An Accurate Value for the Absorption Coefficient of Silicon at 633 nm},
  year = {1990},
  month = {1990-10-30 00:10:00},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}