000 00337nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aSrinivas Mahankali
245 0 _aBlockchain The Untold Story
250 _a2nd
260 _aNew Delhi
260 _bBPB
260 _c2019
650 _aBlockchain The Untold Story
942 _cBK
999 _c26329
_d26329