@misc{indiciae8f2e81c2c6d2,
  title = {Satellite voice broadcast. Volume 1: Executive summary},
  author = {Bachtell, E. E. and Bettadapur, S. S. and Coyner, J. V. and Farrell, C. E.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860015404},
  note = {Source identifier: 19860015404}
}