000 00281nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
100 _aHwei P Hsu
245 0 _aTheory and problems of analog and digital communication
250 _a2
260 _bTata Mcgraw Hill
_c2004
942 _cBK
999 _c5736
_d5736