@misc{indiciae35eb3bc4f187,
  title = {An N-body low-thrust trajectory parameter optimization program, volume 3 Final report},
  author = {Hipkins, C. and Horsewood, J. L. and Lefton, L. and Pines, S. and Wolf, H.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710021822},
  note = {Source identifier: 19710021822}
}