1. In-flight performance of the NSTAR ion propulsion system on the Deep Space One mission
2. 2Dunning,J.W.andBenson,S.W."NASA'sElectricPropulsionProgram,"AIAAPaper2002-3557,July2002.
3. 3Soulas,G.C."PerformanceEvaluationofTitaniumIonOpticsfortheNASA30cmIonThruster,"IEPCPaper 01-92, October 2001.
4. 4Soulas,G.C."PerformanceofTitaniumOpticsonaNASA30cmIonThruster,"AIAAPaper2000-3814,July 2000.
5. 5Soulas,G.C.,Haag,T.W.,Patterson,M.J.,andRawlin,V.K."TitaniumOpticsforIonThrusters,"IEPCPaper 99-149, October 1999.