000 00303nam a2200133Ia 4500
005 20251003125707.0
008 251003s9999 xx 000 0 und d
082 _a005.1
100 _aLaurence
245 0 _aBlockchain For Dummies
260 _bPhotocopy
_aKarachi
_c2017
300 _a214
942 _cBK
999 _c37341
_d37341