@misc{indiciae260975f1a223,
  title = {Enhanced spectral efficiency using bandwidth switchable SAW filtering for mobile satellite communications systems},
  author = {Peach, Robert and Malarky, Alastair},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19920014892},
  note = {Source identifier: 19920014892}
}