000 00338nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a621.3 sin
100 _aSingh, R N
245 0 _aElectromagnetic Waves And Field
260 _aNEW DELHI
260 _bTMH
260 _c1991
300 _a538
650 _aElectronics Engineering
999 _c131957
_d131957