000			nam a22 7a 4500
999			_c10063 _d10063
005			20180510111232.0
008			180510b xxu||||| |||| 00| 0 eng d
100			_aCheng, David K.
245			_aField and Wave Electromagnetics
250			_a2nd
260			_aNew Delhi _bPearson _c1989
300			_a719p.
942			_2ddc _cDB