@misc{indiciae63365513b16e,
  title = {Direct Method Transcription for a Human-Class Translunar Injection Trajectory Optimization},
  author = {Witzberger, Kevin E. and Zeiler, Tom},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20120002587},
  note = {Source identifier: 20120002587}
}