@misc{indiciaeb3ac837a8c8b,
  title = {Ground and flight test methods for determining limit cycle and structural resonance characteristics of aircraft stability augmentation systems},
  author = {Painter, W. D. and Sitterle, G. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720018367},
  note = {Source identifier: 19720018367}
}