@misc{indiciae91166ec4e0b5,
  title = {Orbit evaluation technique for planetary orbiters},
  author = {Coons, J. C. and Ellis, J. M. and Kennet, H. and Stephenson, R. R.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700059532},
  note = {Source identifier: 19700059532}
}