1.

Conference Proceedings
Conference Proceedings
1. The ESA-XX Ion Thruster,
Bassner, H. ; Bond, R.A. ; Thompson, V.K. ; Groh, K.
Pub. info.: Second European Spacecraft Propulsion Conference : 27-29 May, 1997, ESTEC, Noordwijk, The Netherlands.  pp.251-258,  1997.  Noordwijk, Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 398
2.

Conference Proceedings
Conference Proceedings
2. The UK-b Ion Thruster Extraction Grid System: Optimisation for Extended Lifetime
Bond, R.A. ; Fearn, D.G. ; Wallace, N.C. ; Mundy, D.H.
Pub. info.: Second European Spacecraft Propulsion Conference : 27-29 May, 1997, ESTEC, Noordwijk, The Netherlands.  pp.163-172,  1997.  Noordwijk, Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 398