000 00351nam a2200145Ia 4500
020 _a0751308323
082 _b.3237
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100 _a"Hann, Judith"
245 0 _aHow Science Works
260 _bDorling kindersley Limited
_aGreat Britain
_c1999
300 _a192
944 _cBK
999 _c480707
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