@misc{indiciae4b703d6256af,
  title = {Optimization of an unobscured optical system using vector aberration theory},
  author = {Stacy, John E. and Macenka, Steve A.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19880023727},
  note = {Source identifier: 19880023727}
}