000 00243nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aK.R.Venngopal
245 0 _aMastring c
250 _a2nd
260 _aN.D
_bMcgraw Hill
_c2016
942 _cBK
999 _c15227
_d15227