000			00440nam a2200133Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9783540293064
100			_aKimball A. Milton, J. Schwinger
245		0	_aElectromagnetic Radiation: Variational Methods, Waveguides and Accelerators
250			_a2006
260			_bSpringer Berlin Heidelberg _c2006
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/3-540-29306-X
999			_c15001 _d15001