000 nam a22 7a 4500
999 _c10010
_d10010
005 20180509151632.0
008 180509b xxu||||| |||| 00| 0 eng d
100 _aHaykin,Simon
245 _aIntroduction to Analog and Digital Communications
250 _aNA
260 _aNew Delhi
_bJohn Wiley
_c2014
300 _aXX,514p.
942 _2ddc
_cDB