000			00386nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a978-0-07-131217-4
082			_a621.382 _bCAR
100			_aCarlson, A
245		0	_aCommunication systems
260			_aNew Delhi : _bTata Magraw-Hill, _c2012.
300			_a924
365			_a575
650			_aElectrical Electronics Communication,
999			_c100878 _d100878