@misc{indiciaee5afdd39a9e8,
  title = {Heliocentric interplanetary low thrust trajectory optimization program, supplement 1, part 2},
  author = {Mann, F. I. and Horsewood, J. L.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780017163},
  note = {Source identifier: 19780017163}
}