MULTICUSP NEGATIVE ION SOURCEEHLERS KW; LEUNG KN.1980; REV. SCI. INSTRUM.; ISSN 0034-6748; USA; DA. 1980; VOL. 51; NO 6; PP. 721-727; BIBL. 23 REF.Article

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SELF-EXTRACTION NEGATIVE ION SOURCELEUNG KN; EHLERS KW.1982; REV. SCI. INSTRUM.; ISSN 0034-6748; USA; DA. 1982; VOL. 53; NO 6; PP. 803-809; BIBL. 5 REF.Article

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