@misc{indiciae145d7dcc5603,
  title = {A two-dimensional digital computer program for calculation of optimum trajectories from launch to injection},
  author = {Bone, E. D. and Fortenberr, L. B., Jr.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19700026452},
  note = {Source identifier: 19700026452}
}