000 00236nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aKUMAR SANTOSH AND GUPTA RENO
245 0 _aENGINEERING CHEMISTRY
260 _bCBC
942 _2ddc
_cBTECH
999 _c4120
_d4120