@misc{indiciae27ea4ddfe458,
  title = {ISPAN (Interactive Stiffened Panel Analysis): A tool for quick concept evaluation and design trade studies},
  author = {Hairr, John W. and Dorris, William J. and Ingram, J. Edward and Shah, Bharat M.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19950022425},
  note = {Source identifier: 19950022425}
}