000			00366nam a2200133Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
082			_a510.7 _bNEW
245			_aNew thinking in school mathematics
260			_bOrganization for European Economic Co-operation, _c1961. _aParis:
300			_a246p.; _c23cm
650			_aMathematics
942			_2ddc _cSR
999			_c23187 _d23187