000 00263pam a2200109a 44500
008 140414b1983 xxu||||| |||| 00| 0 eng d
100 _aPROAKIS, JOHN G
245 _aDigital communications
_c
250 _a3 Ed.
260 _aDelhi
_bMcGraw-Hill
_c1983
906 _a3375
999 _c3203
_d3203