@misc{indiciae4f5380d6c675,
  title = {Low-cost Doppler signal simulator.},
  author = {C D Sheldon and T C Duggen},
  year = {1987},
  doi = {10.1007/bf02442856},
  url = {https://pubmed.ncbi.nlm.nih.gov/3320588/},
  note = {Source identifier: 3320588}
}