@misc{indiciaef1a271ca8a8d,
  title = {Simple band model for amorphous semiconducting alloys.},
  author = {Cohen, M. H. and Fritzsche, H. and Ovshinsky, S. R.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690052210},
  note = {Source identifier: 19690052210}
}