@misc{indiciae7921266bd6c5,
  title = {An efficient method for calculating optimal free-space n-impulse trajectories.},
  author = {Jezewski, D. J. and Rozendaal, H. L.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680063753},
  note = {Source identifier: 19680063753}
}