@misc{indiciaefe751e586c1a,
  title = {Perturbation and harmonic balance methods for nonlinear panel flutter Technical report, 11 Dec. 1969 - 15 Mar. 1971},
  author = {Dugundji, J. and Kuo, C.-C. and Morino, L.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710015886},
  note = {Source identifier: 19710015886}
}