@misc{indiciaeb24ab7cb9351,
  title = {Asymmetric three-beam binary optic grating},
  author = {Kathman, Alan D. and Johnson, Eric G. and Scott, Miles L.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940012867},
  note = {Source identifier: 19940012867}
}