000 00262nam a22001217a 4500
999 _c2140
_d2140
020 _a9780070591165
082 _a621.3402
100 _aR K Shevgaonkar
245 _aElectromagnetic waves
260 _aNew Delhi
_bMcGraw Hill
_c2010
300 _a580
942 _cBK