TY  - RPRT
TI  - High speed turboprop aeroacoustic study (counterrotation). Volume 2: Computer programs
AU  - Whitfield, C. E.
AU  - Mani, R.
AU  - Gliebe, P. R.
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19920022004
ID  - 19920022004
ER  -