000 00289nam a2200121Ia 4500
008 180816s2018 xx 000 0 und d
082 _a540
100 _aDhanpat Rai & CO. (P) LTD.ND
245 0 _aEngineering Chemistry
250 _a5th
260 _bChawla, Shashi
942 _2ddc
_cBB
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999 _c4241
_d4241