000 00326nam a2200133Ia 4500
005 20260413101022.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aShevgaoukar RK
245 0 _aElectromagnetic waves
260 _bN Delhi Tata Mcgrew hill
_c2006
300 _a580
942 _cGB
999 _c6164
_d6164