000 00258nam a2200109Ia 4500
008 220201s2009 xx 000 0 eng d
100 _aSunita Rattan
245 0 _aEngineering Chemistery
260 _aNew Delhi
_bKataria
_c2009
300 _a531
942 _2ddc
999 _c66268
_d66268