1.

Conference Proceedings
Conference Proceedings
1. RIT 15: A Medium Thrust-Range Radio Frequency Ion Thruster,
Groh, K.H. ; Leiter, H. ; Loeb, H.W.
Pub. info.: Second European Spacecraft Propulsion Conference : 27-29 May, 1997, ESTEC, Noordwijk, The Netherlands.  pp.377-382,  1997.  Noordwijk, Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 398
2.

Conference Proceedings
Conference Proceedings
2. The RIT 15 Ion Engines - A Survey of the Presenf State of Radio Frequency Ion Thruster Technology and its Future Potentiality
Leiter, H.
Pub. info.: Third International Conference on Spacecraft Propulsion, 10-13 October 2000, Cannes, France.  pp.423-432,  2000.  Noordwijk, The Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 465
3.

Conference Proceedings
Conference Proceedings
3. A Survey of the ‘New Grid Systems for Ion Engines’ Technology Project
Leiter, H. ; Berti, M. ; Bonelli, E. ; Capacci, M. ; Feili, D.
Pub. info.: Proceedings of Space Propulsion 2004, 4th International Spacecraft Propulsion Conference, 2nd Propellants for Space Propulsion, 3rd European Workshop on Hydrazine : 2-9 June 2004, Sardinia, Italy.  2004.  Noordwijk, The Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 555