000 00263nam a2200121Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aAGGARWAL.O.P
245 0 _aENGINEERING CHEMISTRY
250 _a1st
260 _bVINOD
_c1998
300 _a971
942 _2ddc
_cGE
999 _c366
_d366