000			00256nam a2200109Ia 4500
008			170912s9999 xx 000 0 und d
082			_aSIN/R
100			_aSINGH SP
100			_aSINGH S P
245		0	_aREACTION MECHANISM IN ORGANIC CHEMISTRY
942			_cTB
999			_c44073 _d44073