@misc{indiciaef45106a76483,
  title = {Structural efficiency study of graphite-epoxy aircraft rib structures},
  author = {Swanson, Gary D. and Gurdal, Zafer and Starnes, James H., Jr.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880044959},
  note = {Source identifier: 19880044959}
}