000 00246nam a2200109Ia 4500
020 _a9788131705735
100 _aPROAKIS JOHN.G
_91173
245 _aFUNDAMENTALS OF COMMUNICATION SYSTEMS
250 _aNIL
260 _c2008
_bPEARSON
490 _aP1839
999 _c1873
_d1873