@misc{indiciaed640b62e2f93,
  title = {Wide-Field, Two-Stage Optical System},
  author = {Manhart, Paul K. and Deslis, Apostolis A. and Macenka, Steve A. and Breckinridge, James B.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900000011},
  note = {Source identifier: 19900000011}
}