000			00453nam a2200169Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
082			_a372.35 _bROC
100			_aRockcastle, Verne N.
245			_aElementary School Science
260			_bAddison Wesley Publishing Company, _c1972. _aLondon :
300			_a224p.; _bCol.ill.; _c23 cm
650			_aPrimary Education
700			_aSalamon, Frank R.
942			_2ddc _cLM
999			_c11146 _d11146