@misc{indiciaed1451d53eb00,
  title = {Control technology for large orbiting telescopes},
  author = {Bullock, G. F. and Morrell, F. R. and Ostroff, A. J.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700027417},
  note = {Source identifier: 19700027417}
}