@misc{indiciae949542b8af8d,
  title = {Multiple-mode nonlinear free and forced vibrations of beams using finite element method},
  author = {Mei, Chuh and Decha-Umphai, Kamolphan},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870046422},
  note = {Source identifier: 19870046422}
}