000 00263nam a2200121Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aJAIN AND JAIN
245 0 _aENGINEERING CHEMISTRY
250 _a12th
260 _bTMH
_c1998
300 _a952
942 _2ddc
_cGE
999 _c334
_d334