000 00295nam a2200121Ia 4500
008 180304s9999 xx 000 0 und d
020 _a9788121903592
100 _a"S. S. Dara, S. S. Umare"
245 2 _aA text book of Engineering Chemistry
260 _bS. Chand
365 _b495
942 _cBK
999 _c3118
_d3118