@misc{indiciae21fa2929bbd7,
  title = {Eigenvalue sensitivity analysis of planar frames with variable joint and support locations},
  author = {Chuang, Ching H. and Hou, Gene J. W.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910047248},
  note = {Source identifier: 19910047248}
}