@misc{indiciae10294333859b,
  title = {A nonlinear aerodynamic moment formulation and its implications for dynamic stability testing},
  author = {Schiff, L. B. and Tobak, M.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710041303},
  note = {Source identifier: 19710041303}
}