@misc{indiciaeb89450821f4b,
  title = {The evolution of the geostationary platform concept},
  author = {Edelson, Burton I. and Lovell, Robert R. and Cuccia, C. Louis},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870055880},
  note = {Source identifier: 19870055880}
}