00381nam a2200157Ia 4500008004100000020000900041035000900050082001300059100002400072245006700096250000600163260003300169300000800202500000700210650000600217210723s9999||||xx |||||||||||||| ||und||  aNULL  a7658  a541BNUF  aNuffield Foundation 0aChemistry : The Sample Scheme Stages 1 And 2: The Basic Course  a-  aHarmandsworthbPenguin Books  a473  a35  a-