000 00239nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aJAIN PC & JAIN M
245 _aENGINEERING CHEMISTRY
250 _a13
260 _c2001
_bDHANPAT RAI & SONS
999 _c26244
_d26244