@misc{indiciae7d75e1ac6890,
  title = {An energy method for stability analysis of nonlinear, nonconservative systems.},
  author = {Nemat-Nasser, S. and Roorda, J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670051465},
  note = {Source identifier: 19670051465}
}