@misc{indiciaec3bc421ce014,
  title = {Trajectory Optimization: OTIS 4},
  author = {Riehl, John P. and Sjauw, Waldy K. and Falck, Robert D. and Paris, Stephen W.},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20100012817},
  note = {Source identifier: 20100012817}
}