000			a
999			_c3745 _d3740
020			_a9788126521517
245			_aCommunication systems
250			_a5ed.
260			_aNew Delhi _bWiley _c2009
300			_a436p. _g 23.6 x 18.2 x 2 cm
942			_cBK
100			_aHaykin, Simon