1. Notes and References;Principles of Electron Optics;2018
2. Chapter 6 Electrostatic Energy Analyzers;Advances in Imaging and Electron Physics;2009
3. Chapter 1 Charged Particles in Electromagnetic Fields;Advances in Imaging and Electron Physics;2009
4. References;Advances in Imaging and Electron Physics;2009
5. Charged Particle Optics of Systems with Narrow Gaps: A Perturbation Theory Approach;Advances in Imaging and Electron Physics;1998