End-Hall thrusters : Rep.presented at the AIAA/DGLR/JSASS 21st intern.electric propulsion conf.,July 18-20,1990,Orlando,Fl. / H.R.Kaufman,R.S.Robinson,M.L.Day,T.W.Haag, 1990. - 7 p. - Текст : непосредственный.
INTELSAT VII ion propulsion subsystem implementation study : Rep.presented at AIAA/DGLR/JSASS 21st international electric propulsion conf.,July 18-20,1990,Orlando,Fl. / M.L.Day,T.S.Colbert,S.H.Marx,A.Ozkul, 1990. - 11 p. - Текст : непосредственный.