000 00262nam a2200097Ia 4500
008 220601s9999 xx 000 0 eng d
100 _aSINGH,,MOHAN
245 0 _aENGINEERING CHEMISTRY
260 _aNew Delhi
_bI K International Publishing House
942 _2ddc
_cBTECH
999 _c3681
_d3681