@misc{indiciae6a9380ef754b,
  title = {Separate surfaces for automatic flight controls.},
  author = {Roskam, J. and Barber, M. R. and Loschke, P. C.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730049863},
  note = {Source identifier: 19730049863}
}