Anderson J.R. ion optics system incorporating radio frequency mass separation : Rep.presented at AIAA/DGLR/JSASS 21st international electric propulsion conf.,July 18-20,1990,Orlando,Fl. / J.R.Anderson,P.J.Wilbur,M.R.(jr.)Carruth, 1990. - 10 p. - Текст : непосредственный.