@misc{indiciae5fdd5c62d87d,
  title = {AN APPROXIMATE METHOD FOR COMPUTING ERROR COEFFICIENT MATRICES FOR LUNAR TRAJECTORIES},
  author = {Mc Lean, J. D.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630025658},
  note = {Source identifier: 19630025658}
}