000 00426 a2200169 4500
003 OSt
008 090217t xxu||||| |||| 00| 0 eng d
020 _a0-07-118183
082 _a621.391
_bPRO
100 _aProakis, John G
_915254
245 _aDigital communications/ 5th ed.
260 _aNew Delhi
_bMcGraw Hill
_c2008
300 _a1150p.
650 _xTelecommunication
_915253
653 _a621.391
942 _2ddc
_cBK
999 _c339771
_d339771