@misc{indiciaec0c42d2f1ca2,
  title = {Deformed ellipsoidal gratings for far-ultraviolet spectrographs - Analytic optimization},
  author = {Content, David and Namioka, Takeshi},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930071694},
  note = {Source identifier: 19930071694}
}