000 00279nam a2200121Ia 4500
008 180816s2018 xx 000 0 und d
082 _a540
100 _aDHANPAT RAI, DELHI
245 0 _aEngineering Chemistry
250 _a5th
260 _bChawla, Shashi
942 _2ddc
_cBB
_0212
999 _c4502
_d4502