000 00309nam a2200145Ia 4500
008 220709s9999 xx 000 0 und d
082 _a621.38
_bHAY
100 _aHAYKIN SIMON
245 0 _aCOMMUNICATION SYSTEMS
250 _a4
260 _bJOHN WILEY & SONS.
300 _a0
942 _cREF
999 _c79620
_d79620