000 00331nam a2200145Ia 4500
008 220709s9999 xx 000 0 und d
082 _a621.38
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100 _aFRENZEL LOUIS E.
245 0 _aCOMMUNICATION ELECTRONICS: PRINCIPLES & APPLICATIONS
250 _a19
260 _bTMH
300 _a532
942 _cBK
999 _c79427
_d79427