INQUIRY IS REPORTED ON LIBYA PLANE SALE
Justice Dept has conducted covert investigation to determine whether there it elaborate bribery plot under way to win approval from Carter Adm far sale of military and commercial aircraft to Libya; probe has focused on possibility that militantly Arab Govt of North African country conspired with fugitive financier Robert L Vesco and others to bribe Democratic National Committee chmn John C White and Adm senior officials (M)
