000 00289pam a2200121a 44500
008 140414b1983 xxu||||| |||| 00| 0 eng d
020 _a0071138145
100 _aPROAKIS, JOHN G
245 _aDigital Communication
_c
250 _a3 Ed.
260 _aDelhi
_bMcGraw-Hill
_c1983
906 _a4577
999 _c4340
_d4340