TY  - RPRT
TI  - Development and validation of 'quiet tail rotor' technology
AU  - Shenoy, Rajarama K.
AU  - Moffitt, Robert C.
AU  - Yoerkie, Charles M.
AU  - Childress, Otis, Jr.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19930045419
ID  - 19930045419
ER  -