TY  - RPRT
TI  - Active control of fan-generated plane wave noise
AU  - Gerhold, Carl H.
AU  - Nuckolls, William E.
AU  - Santamaria, Odillyn L.
AU  - Martinson, Scott D.
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/19940010008
ID  - 19940010008
ER  -