Electromagnetic Radiation: Variational Methods, Waveguides and Accelerators - Milton, Kimball A.; Schwinger, J.; SpringerLink (Online service) (Berlin, Heidelberg : Springer-Verlag Berlin Heidelberg, 2006)
Keywords: Electromagnetic waves; Physics; Electronic and Computer Engineering; Electromagnetism, Optics and Lasers; Particle Acceleration and Detection, Beam Physics; Mathematical Methods in Physics