@misc{indiciaecde95515de80,
  title = {Developing the concept of a geostationary platform},
  author = {Carey, W. T. and Bowman, R. M. and Stone, G. R.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800045381},
  note = {Source identifier: 19800045381}
}