TY  - RPRT
TI  - Helicopter rotor and engine sizing for preliminary performance estimation
AU  - Talbot, P. D.
AU  - Bowles, J. V.
AU  - Lee, H. C.
PY  - 1986
UR  - https://ntrs.nasa.gov/citations/19860058091
ID  - 19860058091
ER  -