@misc{indiciae7d9631360545,
  title = {Some three-body numerical solutions to outer planet orbiter missions using nuclear-electric propulsion},
  author = {Mackay, J. S. and Mascy, A. C.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700062739},
  note = {Source identifier: 19700062739}
}