000 00296nam a2200133Ia 4500
008 220201s1988 xx 000 0 eng d
100 _aJAIN
245 0 _aENGINEERING CHEMISTRY
250 _a7
260 _aDELHI
_bDHANPAT RAI AND SONS
_c1988
300 _a864
700 _aJAIN
942 _2ddc
999 _c90622
_d90622