000 00339nam a2200145Ia 4500
008 230627s9999 xx 000 0 und d
050 _aPAM Q181.R32
245 0 _aGeneral science std 6 & 7
260 _bBritish Broadcasting Corporation
260 _c1944
300 _a11p.
300 _bill.
300 _c26cm.
650 _aScience
999 _c124309
_d124309