@misc{indiciaef211ba96460f,
  title = {Directional vs bidirectional Doppler velocimeter.},
  author = {D Kalmanson},
  year = {1972},
  doi = {10.1016/0002-8703(72)90451-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/5059588/},
  note = {Source identifier: 5059588}
}