00373nam a2200157Ia 4500008004100000020001500041082001400056100001900070245001400089250000600103260003200109300000800141650003400149650001800183653001400201170901s1994    xx            000 0 und d  a0070110034  a540bC11C  aChang, Raymond 0aChemistry  a5  aNew YorkbMcGraw-Hillc1994  a994  aChemistry and allied sciences  aPure Sciences  aChemistry