@misc{indiciae1304927676c8,
  title = {Conceptual design considerations for the Astrometric Telescope Facility},
  author = {Dyer, John W. and Nishioka, K. and Sobeck, Charles K. and Gatewood, George D. and Levy, Eugene H.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910060646},
  note = {Source identifier: 19910060646}
}