000			00416nam a2200145Ia 4500
008			170101s1961 xx 000 0 und d
082			_a511.07 D97A
100			_aDUTTON, Wilbur H.
245		0	_aArithmetic for teachers
260			_bEnglewood Cliffs, U.S. _c1961
300			_a370p
650			_aARITHMETIC -- STUDY AND TEACHING (PRIMARY)
653			_aARITHMETIC -- STUDY AND TEACHING (PRIMARY
942			_2ddc _cB
999			_c25569 _d25569