000 00288nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _aSIN/B
100 _aSINGH D N
245 0 _aBASIC CONCEPTS OF ORGANIC CHEMISTRY
260 _bPEARSON EDUCATION
_c2010
300 _a3561
942 _cTB
999 _c51515
_d51515