000 00268nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a540
100 _aGirijan K R
245 0 _aEngineering Chemistry
250 _a1
260 _bExcel Thrissur
_c2015
942 _cBK
999 _c28187
_d28187