000 00287nam a2200121Ia 4500
008 211214s9999 xx 000 0 und d
100 _aDara S. S., Umare S. A.
245 _aTextbook Of Engineering Chemistry
260 _bS. Chand
500 _a72002
650 _aFY-I
942 _cBB
999 _c154704
_d154704