000			00321nam a22001337a 4500
020			_aNA
082			_222 _a621.38
100			_aKennedy, George and Davis, Bernard.
245			_aElectronic communication systems /
250			_a4th ed.
260			_bTata McGraw-Hill, _cc2005.
300			_a0 _bill. ;
942			_2ddc _cEE _03
999			_c4030 _d4030