@misc{indiciae687b4f314792,
  title = {Bistable optical element and its applications},
  author = {Daneu, V. and Goldhar, J. and Kurnit, N. A. and Szoeke, A.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700041333},
  note = {Source identifier: 19700041333}
}