000 00306nam a2200145Ia 4500
008 241124s9999 xx 000 0 und d
100 _aDerfler, Frank .K
245 0 _aHow networks work
245 0 _cFeed, Les
250 _a7th
260 _bPerson
260 _c2005
300 _a233
942 _cBK
999 _c16385
_d16385