000 00281nam a2200121Ia 4500
008 211209s2014 xx 000 0 und d
041 _aeng
082 _a540 JAI
100 _aJAIN P C
245 _aENGINEERING CHEMISTRY
260 _aNEW DELHI
_bDHANPAT RAI
_c2014
300 _a307
999 _c66582
_d66582