@misc{indiciaee9e1e71cdc66,
  title = {Optimum two-impulse orbital transfer function contouring program},
  author = {Du Prie, H. J. and Mc Cue, G. A.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19680070909},
  note = {Source identifier: 19680070909}
}