TY  - RPRT
TI  - Operationally Efficient Propulsion System Study (OEPSS) data book. Volume 4: OEPSS design concepts
AU  - Wong, George S.
AU  - Ziese, James M.
AU  - Farhangi, Shahram
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19920011024
ID  - 19920011024
ER  -