@misc{indiciaef28682afe8bb,
  title = {Space Shuttle SRM performance improvement},
  author = {Speak, C. A. and Wilks, R. K. and Jones, K. W.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810056517},
  note = {Source identifier: 19810056517}
}