000 00300nam a2200121Ia 4500
005 20260205042321.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aGLENN,O. BLOUGH
245 0 _aMAKING ANDUSING CLASSROOM SCIENCE MATERIAL
260 _aNEW YORK
_c1954
300 _a228P.
942 _cBK
999 _c31453
_d31453