000 00260nam a2200121Ia 4500
008 211122s9999 xx 000 0 und d
082 _a540.1
100 _aJAIN
245 0 _aENGINEERING CHEMISTRY
260 _bDHANAPAT RAI
365 _b525.00
942 _cBK
999 _c65894
_d65894