000			00309nam a22001217a 4500
082			_a372.7 _bSWE.T
100			_aSwenson, Esther J
245			_aTeaching Arithmetic to children / _cby Esther J Swenson
260			_aLondon : _bMacmillan co, _c1964.
300			_a482p. :
650			_aMathematics
942			_cBK
999			_c327968 _d327968