000 00274nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
100 _aLeon-Garcia;Widjaja
245 0 _aCommunication Networks
250 _a2
260 _b-
260 _c0
300 _a900
942 _cBK
999 _c9283
_d9283