00426nam a2200157Ia 4500003000500000005001700005008004100022020003000063040001400093082001800107100002000125245002400145260004400169300004200213521001300255322820250507102314.0210816s9999    xx            000 0 und d  a9781840442342qHard cover  aRDAc3228  aJ 541.39 WEST  a WEST, Krista   0aChemical reactions   a LondonbBrown Reference Group c2007    a80 pagesbcolour illustrationsc29 cm  aJuvenile