1. X-34 propulsion system design
2. Champion,R.H.,Jr., andDarrow,R.I, Jr.(1998), "X-34 Main Propulsion System Design and Operation,"AIAApaperNo.AIAA-98-4032.
3. Propellant management and conditioning within the X-34 Main Propulsion System
4. McDonald, J. P., Minor, R. B., Knight, K. C., Russell, F.I, Jr., andChampion,R.H.,Jr.(1998), "Propellant Feed Subsystem for the X-34Main Propulsion System," AIAA paper No. AIAA-98-3517.