@misc{indiciae11bcb6be1c1a,
  title = {Stratified Diffractive Optic Approach for Creating High Efficiency Gratings},
  author = {Chambers, Diana M. and Nordin, Gregory P.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19980200834},
  note = {Source identifier: 19980200834}
}