000 00420 a2200169 4500
003 OSt
008 090217t xxu||||| |||| 00| 0 eng d
082 _a621.391
_bPRO
100 _aProakis, John G1822
245 _aDigital communications/ 3rd ed.
300 _axxi, 928p
650 _xTelecommunication
653 _a621.391
942 _2ddc
_cBK
260 _aNew Delhi
_bMcGraw Hill
_c1995
020 _a0070517266
999 _c350754
_d350754