000 00299nam a2200121Ia 4500
008 241124s9999 xx 000 0 und d
100 _aFrenzel, L.E.
245 0 _aCommunication Electronics Principles and Applications
260 _bTata McGraw Hill
260 _c2002
300 _a532
942 _cBK
999 _c4332
_d4332