@misc{indiciae97acb29be371,
  title = {Evaluating Doppler devices using a moving string test target.},
  author = {A R Walker and D J Phillips and J E Powers},
  year = {1982},
  doi = {10.1002/jcu.1870100106},
  url = {https://pubmed.ncbi.nlm.nih.gov/6798078/},
  note = {Source identifier: 6798078}
}