000 00203 a2200085 4500
020 _a9780761360599
082 _aJ 538 BOOT
100 _aBoothroyd ,J
_9139801
245 _aAttract and repel:a look at magnets
999 _c764947
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942 _w392
_xVeronica Mrwebi
_y392
_zVeronica Mrwebi