000 00346nam a2200145Ia 4500
020 _a9788172452025
082 _b505
_a530
100 _a"BONNET BOB"
245 0 _aSCIENCE FAIR PROJECTS PHYSICS
260 _b,Goodwill Publishing House
_c2001
300 _a90
944 _cBK
999 _c362275
_d362275