00452nam a2200145Ia 450000500170000000800460001703700290006304000210009204100130011308400210012624500340014724500300018126000870021130000080029820250508161607.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDL bengcFEDL  aeng2eng  a500, SCI/OqFEDL 0aThousands of science projects 0cScience Clulbs of America  aWashington, USAbThe National Science Foundation to Science Clubs of Americac1955  a44p