@misc{indiciae28d87be090ab,
  title = {Chronology: MSFC Space Shuttle program development, assembly, and testing major events (1969 - April, 1981)},
  author = {Whalen, Jessie E. and Mckinley, Sarah L. and Gates, Thomas G.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19910005807},
  note = {Source identifier: 19910005807}
}