@misc{indiciaed6ccbf16e0e1,
  title = {VARIABLE TRANSMISSION SILICATE GLASSES SENSITIVE TO SUNLIGHT},
  author = {Cohen, A. J. and Smith, H. L.},
  year = {1962},
  url = {https://ntrs.nasa.gov/citations/19620006411},
  note = {Source identifier: 19620006411}
}