00276nam a2200109Ia 4500008004100000082001500041100001500056245002700071260003400098300001100132650002300143240817s9999    xx            000 0 und d  a547.16 H16  aHallas, G. 0aOrganic sterochemistry  c1965a Londonb Mcgraw - Hill  a244 p.  a Organic Chemistry