TY  - RPRT
TI  - Helicopter Model Rotor-Blade Vortex Interaction Impulsive Noise: Scalability and Parametric Variations
AU  - Boxwell, D. A.
AU  - Schmitz, F. H.
AU  - Splettstoesser, W. R.
AU  - Schultz, K. J.
PY  - 1987
UR  - https://ntrs.nasa.gov/citations/19990111581
ID  - 19990111581
ER  -