000 00290nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.382
100 _aSam Shanmugham K
245 0 _aDigital and Analog Communication Systems
250 _a1
260 _bJohn Wiley
_c2005
942 _cBK
999 _c8590
_d8590