@misc{indiciae432205ff324a,
  title = {Free vibrations of thin-walled semicircular graphite-epoxy composite frames},
  author = {Carden, Huey D. and Noor, Ahmed K. and Peters, Jeanne M.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910039805},
  note = {Source identifier: 19910039805}
}