TY  - RPRT
TI  - Effect of bird maneuver on frequency-domain helicopter EM response
AU  - D.V. Fitterman
AU  - C. Yin
PY  - 2004
DO  - 10.1190/1.1801937
UR  - https://pubs.usgs.gov/publication/70026774
ID  - 70026774
ER  -