@misc{indiciae7b04ff12ff20,
  title = {Dynamic simulation of LEM docking with Apollo command module in lunar orbit},
  author = {Hatch, H. G., Jr. and Pennington, J. E.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19720063693},
  note = {Source identifier: 19720063693}
}