@misc{indiciae94fa18d8df2f,
  title = {Discrete approximations to optimal trajectories using direct transcription and nonlinear programming},
  author = {Enright, Paul J. and Conway, Bruce A.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920064129},
  note = {Source identifier: 19920064129}
}