@article{785866,
  author = {Shigeo Tanuma and Cedric Powell and David Penn},
  title = {Use of Sum Rules on the Energy-Loss Function for the Evaluation of Experimental Optical Data},
  year = {1993},
  number = {62},
  month = {1993-01-01 00:01:00},
  publisher = {Journal of Electron Spectroscopy and Related Phenomena},
  language = {en},
}