@misc{indiciaec450318fd0aa,
  title = {Computer aided analysis, planning, and control of space system operations},
  author = {De Caroli, E. J. and Erickson, D. L. and Smith, R. E.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710055762},
  note = {Source identifier: 19710055762}
}