2POWELL R W, LOCKWOOD M K,COOK S A. TheRoad from the NASA Access-to-Space Study to a Reu_sable Launch Vehicle, IAF-98-V.4.02 [R]. USA: AIAA,1998.
3MARTINEZ H E. Lessons learned from the design certifi-cation and operations of the space shuttle integrated mainpropulsion system(IMPS), NASA/JSC-CN-24087[R]. USA:NASA,2011.
9ACCETTURA A G, MASCANZONI F,IERARDO N.Investigations and considerations about reusable LOX/HC engines as key technologies for future launch vehi-cles, AIAA 2002-3846 [R]. USA: AIAA, 2002.