1.

Technical Paper
Technical Paper
1. Operationally Efficient Propulsion System Study (OEPSS) - Data Bookl; Volume 5 of 5, OEPSS Final Briefing for First Year Study
Wong, George S. ; Waldrop, Glen S.
Pub. info.: NASA Technical Reports.  (NASA-CR-199733),  pp.1-143,  1990.  National Aeronautics and Space Adminstration
2.

Technical Paper
Technical Paper
2. Operationally Efficient Propulsion System Study (OEPSS) Data Book; Volume 4 of 5,OEPSS Design Concepts
Wong, George S. ; Ziese, James M. ; Farhangi, Shahram
Pub. info.: NASA Technical Reports.  (NASA-CR-188752),  pp.1-95,  1990.  National Aeronautics and Space Adminstration
3.

Technical Paper
Technical Paper
3. Operationally Efficient Propulsion System Study (OEPSS) - Data Book: Executive Summary
Wong, George S.
Pub. info.: NASA Technical Reports.  (NASA-CR-188754),  pp.1-51,  1990.  National Aeronautics and Space Adminstration