000 00294nam a2200097Ia 4500
082 _aJ R 507.12 SCIE
245 0 _aScience activities. Volume 8 : sound and hearing
100 _a WOODFORD, Chris Danbury, CT, 2002
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942 _cBK
008 210817s9999 xx 000 0 und d
999 _c402068
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