000 00272nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aTewari (KS)
245 2 _aA Textbook of Organic Chemistry
260 _bVikas Pub
260 _c1990
365 _b150
942 _cBK
999 _c216485
_d216485