000 00280nam a2200109Ia 4500
008 230515s9999||||xx |||||||||||||| ||und||
100 _aChalland Helen J.
_955947
245 0 _aScience Projects And Activities
260 _bChildren'S Press
_c1985
300 _a93
942 _cBK
_pCL
999 _c183573
_d183573