1. Numerical methods for partial differential equations;Ames,1992
2. The Analytical and Numerical Solution of Electric and Magnetic Fields;Binns,1992
3. Ion optics of multipole devices. I. Theory of the dodecapole;Boerboom;Int. J. Mass Spectrom. Ion Proc.,1985
4. Operating parameters of a quadrupole in a grounded cylindrical housing;Denison;J. Vac. Sci. Technol.,1971
5. Lectures on non-linear orbit dynamics;Dragt,1982