000 00272nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.382
100 _aSam Shanmugham K
245 0 _aDigital And Analog Communication Systems
260 _bJohn Wiley
_c2005
942 _cBK
999 _c6687
_d6687