000 00395nam a2200169Ia 4500
008 170705s9999 xx 000 0 und d
020 _a9780439598002
245 _aUnsolved science mysteries /
245 _cby Henry Mather.
260 _aNew York :
260 _bScholastic,
260 _c2003
300 _a40 pages :
300 _billustrations ;
300 _c19cm.
500 _a430
999 _c337217
_d337217