00305nam a2200109Ia 4500008004100000082002100041100001500062245005000077250001600127260004300143300000900186240913s9999||||xx |||||||||||||| ||und|| a547.122 3 KAL/S aP.S. Kalsi 0aStereo chemistry : confermation and mechanism a4th edition bNew Age InternationalaNew Delhic1997 a555p