@misc{indiciaeee1bb6c306cf,
  title = {Analogue and digital linear modulation techniques for mobile satellite},
  author = {Whitmarsh, W. J. and Bateman, A. and Mcgeehan, J. P.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19920014928},
  note = {Source identifier: 19920014928}
}