000 00270nam a2200109Ia 4500
008 220201s2006 xx 000 0 eng d
100 _aSUD, DHIRAJ
245 0 _aCOMPREHENSIVE ENGINEERING CHEMISTRY
260 _aDELHI
_bS.K. KATARIA
_c2006
300 _a419
942 _2ddc
999 _c68774
_d68774