000 00297nam a2200121Ia 4500
008 180304s9999 xx 000 0 und d
020 _a9788121903592
100 _a"Dara, S. S., Umare, S. S."
245 2 _aA Text Book of Engineering Chemistry
260 _bS. Chand
365 _b495
942 _cBK
999 _c2313
_d2313