00514nam a2200181Ia 450000500170000000800410001702000170005804000190007504100120009408200150010624500800012126000420020130000110024344000320025465000160028670000200030285000100032220240531095123.0131103s9999    xx            000 0 und d  a019 919010 0  aLoreto College  aEnglish  a510.7bGAR  aChildren using mathematicscEdited by K L Gardner, J A Glenn & A I G renton  aLondonbOxford University Pressc1973  a128p.   aOxford studies in education  aMathematics  aGlenn, J A; ed.  aLCBED