000 00309nam a2200121Ia 4500
008 220201s1970 xx 000 0 eng d
082 _bLEW
100 _aLewis & Potter
245 0 _aTeaching of Scinece in the elementary school
260 _aNew Jersey
_bEglewood cliff
_c1970
300 _a574
942 _2ddc
999 _c17226
_d17226