TY  - RPRT
TI  - General flow field analysis methods for helicopter rotor aeroacoustics
AU  - Quackenbush, Todd R.
AU  - Lam, C. Gordon
AU  - Bliss, Donald B.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19910034753
ID  - 19910034753
ER  -