00906nam0-22003371i-450-990001060260403321000106026FED01000106026(Aleph)000106026FED0100010602620000920d1967----km-y0itay50------baengFocusing of Charged ParticlesEdited by Albert SeptierNew YorkAcademic Press1967Voll. I & II.OtticaOttica elettronica535537.56Septier,Albert50505ITUNINARICAUNIMARCBK99000106026040332127-075.00112601FI127-07511678FI127-075.00216762FI127-075.00316763FI1FI1Focusing of charged particles187823UNINAING01