TY  - RPRT
TI  - Operationally Efficient Propulsion System Study (OEPSS) data book. Volume 5: OEPSS final briefing for first year study
AU  - Wong, George S.
AU  - Waldrop, Glen S.
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19920010139
ID  - 19920010139
ER  -