000 00302nam a2200121Ia 4500
003 NIELib
008 211019s9999||||xx |||||||||||||| ||und||
082 _a510.7
245 _aThe School Mathematics Project
260 _bUniversity press ;
_c1965.
_aCambridge,
650 _aMathematics
942 _2ddc
_cLM
999 _c81230
_d81230