TY  - RPRT
TI  - Large scale prop-fan structural design study. Volume 1: Initial concepts
AU  - Billman, L. C.
AU  - Gruska, C. J.
AU  - Ladden, R. M.
AU  - Leishman, D. K.
AU  - Turnberg, J. E.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19900000727
ID  - 19900000727
ER  -