@misc{indiciaeef3eda1eae1f,
  title = {DUKSUP - A high thrust trajectory optimization code},
  author = {Balkanyi, Leslie R. and Spurlock, O. F.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930047012},
  note = {Source identifier: 19930047012}
}