@misc{indiciaeb7cd71fa7b89,
  title = {Interplanetary orbit determination},
  author = {Zielenbach, J. W. and Acton, C. H. and Born, G. H. and Breckenridge, W. G. and Chao, C. C. and Duxbury, T. C. and Green, D. W. and Jerath, N. and Jordan, J. F. and Mottinger, N. A.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740021009},
  note = {Source identifier: 19740021009}
}