000 00345nam a2200157Ia 4500
100 _aPROAKIS JOHN G
020 _a0-07-100269-3
250 _a2nd
650 _aDigital Communication
365 _cRS
365 _d1
942 _cENGBK
245 _aDigital Communications
260 _bMcGraw Hill Book Co
_c1989
_aNew York
300 _a905 pp
999 _c3480
_d3480