TY  - RPRT
TI  - Fundamental Aeronautics Program Subsonic Rotary Wing Project: Variable-Speed Rotorcraft Drive System Research
AU  - Lewicki, David G.
AU  - Stevens, Mark
AU  - DeSmidt, Hans
PY  - 2012
UR  - https://ntrs.nasa.gov/citations/20150010357
ID  - 20150010357
ER  -