000 00314nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
100 _aFrenzel, L.E.
245 0 _aCommunication Electronics Principles and Applications
250 _a3
260 _bTata McGraw Hill
260 _c0
300 _a532
942 _cBK
999 _c7762
_d7762