@misc{indiciae79b597c193e6,
  title = {Radioastron flight operations},
  author = {Altunin, V. I. and Sukhanov, K. G. and Altunin, K. R.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940019388},
  note = {Source identifier: 19940019388}
}