000 00330nam a2200145Ia 4500
008 230912s9999 xx 000 0 und d
082 _a620.11
100 _aAGARWAL, R.K.
245 0 _aEngineering Chemistry: Theory And Practice
250 _aVth
260 _aMEERUT
260 _bKRISHANA
260 _c2006
300 _a552
999 _c80363
_d80363