00290 a2200085 4500020001500000022001500015082001000030100001800040245014600058 a7506242621 a7506242621 a537.6 aLandau, L. D. aElectrodynamics of Continuous Media Second EditionbCourse of Theoretical Physics Volume 8cL. D. Landau, E. M. Lifshitz and L. P. Pitaevskii