@misc{indiciae0223a8768900,
  title = {X-33 Ascent Flight Controller Design by Trajectory Linearization: A Singular Perturbational Approach},
  author = {Zhu, J. Jim and Banker, Brad D. and Hall, Charles E.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20000064689},
  note = {Source identifier: 20000064689}
}