000 00256nam a2200109Ia 4500
008 201201s9999 xx 000 0 und d
082 _a547
100 _aBHAL, B.S.
245 0 _aEKMENTARY ORGANIC CHEMISTRY
260 _bDELHI, S. CHAND
_c1958
942 _cOB
999 _c16573
_d16573