@misc{indiciaee39bf6e318f7,
  title = {PLANETARY POSITION-VELOCITY EPHEMERIDES OBTAINED BY SPECIAL PERTURBATIONS},
  author = {Block, N. and Peabody, P. R.},
  year = {1962},
  url = {https://ntrs.nasa.gov/citations/19630016333},
  note = {Source identifier: 19630016333}
}