TY  - RPRT
TI  - Vertical Takeoff and Landing (VTOL) propulsion technology
AU  - Carl C. Ciepluch
AU  - John M. Abbott
AU  - Royce D. Moore
AU  - James F. Sellers
PY  - 1979
UR  - https://ntrs.nasa.gov/citations/19800001979
ID  - 19800001979
ER  -