TY  - RPRT
TI  - Method of fan sound mode structure determination computer program user's manual: Modal calculation program
AU  - Pickett, G. F.
AU  - Wells, R. A.
AU  - Love, R. A.
PY  - 1977
UR  - https://ntrs.nasa.gov/citations/19780009123
ID  - 19780009123
ER  -