000 00325nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c425
040 _aET
100 _aPrasad K.D
245 0 _aELECTROMAGNETIC FIELD and waves
260 _bSatya Prakash
_aNEW DELHI
300 _a1034
500 _a49458
942 _cBK
999 _c55473
_d55473