00569nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001900084245015300103260003300256300001800289650006100307700002300368700002000391IN-BaIIA211028s9999 xx 000 0 eng d a0-12-333342-3 cIIA Library a537.533bHAW-2 0aPrinciples of electron opticsbvol. 2, applied geometrical opticscedited by P. W. Hawkes and E. Kasper  aLondonbAcademic Pressc1996 ax, 629-1188p. aElectron optics, Geometrical optics, Instrumental optics aHawkes, P. W., ed. aKasper, E., ed.