@misc{indiciaedd42a511fd6f,
  title = {A spread-spectrum modem using constant envelope BPSK for a mobile satellite communications terminal},
  author = {Iizuka, N. and Yamashita, A. and Takenaka, S. and Morikawa, E. and Ikegami, T.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19920014871},
  note = {Source identifier: 19920014871}
}