000 00276nam a2200121Ia 4500
008 220201s2007 xx 000 0 eng d
082 _a500-RAT
100 _aDara,SS.
245 0 _aEngineering Chemistry
260 _aNew Delhi
_bS Chand
_c2007
300 _a960
942 _2ddc
999 _c64737
_d64737