@misc{indiciae6fd58db8a161,
  title = {System Would Keep Telescope Reflector Segments Aligned},
  author = {Mettler, Edward and Eldred, Daniel B. and Briggs, Hugh C. and Agronin, Michael L. and Kiceniuk, Taras},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910000138},
  note = {Source identifier: 19910000138}
}