@misc{indiciaecbe8836452f4,
  title = {Segmented mirror, manufacturing and alignment tolerances (SMMAT)},
  author = {Manhart, P. K. and Rodgers, J. Michael},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900043833},
  note = {Source identifier: 19900043833}
}