000 00309nam a2200121Ia 4500
008 160710s1974 xx 000 0 und d
082 _a500 GEO
100 _aGEORGE, K.D.
245 _aSCIENCE INVESTIGATIONS FOR ELEMENTARY SCHOOL TEACHER S
260 _bD, C HEALTH
_c1974
300 _a124
942 _2ddc
_cB
999 _c37126
_d37126