@misc{indiciae3a66812b4c7a,
  title = {Effect of bird maneuver on frequency-domain helicopter EM response},
  author = {D.V. Fitterman and C. Yin},
  year = {2004},
  doi = {10.1190/1.1801937},
  url = {https://pubs.usgs.gov/publication/70026774},
  note = {Source identifier: 70026774}
}