000 00348nam a2200157Ia 4500
020 _a9781405808
040 _cPK-LaCSN
082 _a500
_bJOH
100 _a"Penny Johnson"
245 0 _aExploring Science
260 _c1998
_bpearson
_aHarlow
300 _a80
942 _cTB
999 _c867853
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