TY  - RPRT
TI  - Optimum segmented acoustic liners for flow ducts
AU  - Sawdy, D. T.
AU  - Beckemeyer, R. J.
AU  - Patterson, J. D.
PY  - 1975
UR  - https://ntrs.nasa.gov/citations/19760042163
ID  - 19760042163
ER  -