@misc{indiciae05b19ed0d8d4,
  title = {Hubble Space Telescope servicing - Experience base for a new era},
  author = {Welch, James C. and Brown, William W.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880028601},
  note = {Source identifier: 19880028601}
}