00693nam a2200205Ia 4500003000900000008004100009020002200050040001600072080001900088100002800107245006100135260003900196300001400235490002700249650003000276650003000306942000700336999001700343952012700360IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-7382-0055-2  cIIA Library  a530.1bSCH-III  aSchwinger, Julian96954 0aParticles, sources, and fieldsbvol. 3cJulian Schwinger  aMassachusettsbPerseus Booksc1998  axi, 318p.  aAdvanced book classics  aElectrodynamics II926776  aRelativistic theory99661  cBK  c14856d14856  00104070aBANbBANcGENd2002-12-04g1884.48l0o530.1/ SCH-IIIp15778r2021-11-05v1884.48w2002-12-04yBKGRs. 1884.48