@misc{indiciaee3bfc80dc18c,
  title = {The 30/20 GHz communications system functional requirements},
  author = {Siperko, C. M. and Frankfort, M. and Markham, R. and Wall, M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810014814},
  note = {Source identifier: 19810014814}
}