@misc{indiciaee2c2096d02e2,
  title = {DUKSUP: A Computer Program for High Thrust Launch Vehicle Trajectory Design and Optimization},
  author = {Williams, C. H. and Spurlock, O. F.},
  year = {2014},
  url = {https://ntrs.nasa.gov/citations/20140016767},
  note = {Source identifier: 20140016767}
}