@misc{indiciae6bba44f79e8d,
  title = {Special-purpose Interplanetary Trajectory Computation Program for Guidance and Navigation Studies - User's Manual},
  author = {Mc Donald, W. T.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660021196},
  note = {Source identifier: 19660021196}
}