TY  - RPRT
TI  - An analytical method for designing low noise helicopter transmissions
AU  - Bossler, R. B., Jr.
AU  - Bowes, M. A.
AU  - Royal, A. C.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19790002688
ID  - 19790002688
ER  -