00366nam a2200145Ia 4500008004100000084001300041100002500054245002900079250002000108260002000128260000900148260001400157300001400171500003500185180424s9999    xx            000 0 und d  a537.6 S1  a"Sommerfeld, Arnold" 0aElectrodynamics Volume 3  a\\196400ENGGPSX  aAcademic Press   b1964  cNew York   axiii+371p  aincludes index and biblioraphy