000 00243nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aJAIN PC & MONIKA JAIN
245 _aENGINEERING CHEMISTRY
250 _a15
260 _c2009
_bDHANPAT RAI & CO
999 _c36702
_d36702