000 00351nam a2200145Ia 4500
008 180626s9999 xx 000 0 und d
082 _a507.8 H358u 1993
100 _aHeddle, Rebecca
245 0 _aUsborne science activities vol. 3
260 _aLondon
260 _bUsborne Pub. Ltd.
260 _cc1993
300 _a74 p
650 _aExperiments
999 _c47644
_d47644