TY  - RPRT
TI  - A Semi-Empirical Noise Modeling Method for Helicopter Maneuvering Flight Operations
AU  - Greenwood, Eric
AU  - Schmitz, Fredric
AU  - Sickenberger, Richard D.
PY  - 2012
UR  - https://ntrs.nasa.gov/citations/20120008939
ID  - 20120008939
ER  -