00409nam a2200157Ia 4500008004100000020001500041082001600056100001500072245003300087250000700120260004300127300002900170500000700199600003300206650001200239240925s9999    xx            000 0 und d  a8188458457  a530.141 GOW  aGowri , R. 0aElectronic Fields and Waves   aNA  aNew Delhi:bS.K.Kataria & sonsc,2005.  axvii,942p.bNAfOriginal  aNA  aHumanities & Natural Science  aPhysics