@misc{indiciaed7e369e38c1f,
  title = {Solar probe orbit design.},
  author = {Galman, B. A. and Levinson, M. M. and Weinstein, J. J.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660056311},
  note = {Source identifier: 19660056311}
}