000 00310nam a2200133Ia 4500
008 180626s9999 xx 000 0 und d
082 _a500 Ar28m 1991
100 _aArdley, Neil
245 0 _aMy science book of�
260 _aLondon
260 _bDorling Kindersley
260 _cc1991
650 _aScience
999 _c47391
_d47391