00434nam a2200157Ia 4500003000500000005001700005008004100022020002900063040001400092082001800106100002200124245003700146260003800183300004200221521001300263322820250507111550.0210816s9999    xx            000 0 und d  a9780431136127qpaperback  aRDAc3228  aJ 541.39 OXLA  a OXLADE, Chris    0aMaterials changes and reactions   aOxford  bHeinemann Libraryc2002  a48 pagesbcolour illustrationsc27 cm  aJuvenile