@misc{indiciae2bf8d6826b81,
  title = {The Marshall Space Flight Center KC-135 zero gravity test program for FY 1981},
  author = {Shurney, R. E.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820018474},
  note = {Source identifier: 19820018474}
}