@misc{indiciae21d88dccbe56,
  title = {A general method for selection and optimization of trajectories.},
  author = {Campbell, J. H. and Moore, W. E. and Wolf, H.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660056613},
  note = {Source identifier: 19660056613}
}