@misc{indiciae8697527b4170,
  title = {Global coverage Mobile Satellite Systems: System availability versus channel propagation impairments},
  author = {Sforza, M. and Buonomo, S. and Poiaresbaptista, J. P. V.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940018325},
  note = {Source identifier: 19940018325}
}