@misc{indiciae1c89d9b67d42,
  title = {Shuttle structural dynamics characteristics: The analysis and verification},
  author = {Modlin, C. T., Jr. and Zupp, G. A., Jr.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850008604},
  note = {Source identifier: 19850008604}
}