1. Canonical theory in electron optics;Ximen,1991
2. Lie algebraic theory of charged particle optics and electron microscopes;Dragt,1986
3. Lie algebraic aberration theory and calculation method for combined electron beam focusing-deflection systems;Hu;J. Vac. Sci. Technol.,1998
4. Differential algebraic description of beam dynamics to very high orders;Berz;Particle Accelerators,1989
5. Differential algebraic theory and calculation for arbitrary high order aberrations of electron lenses;Wang;Optik,2000