00354nam a2200145Ia 450000500170000000800410001704000190005804100120007708200160008924500340010526000330013930000100017265000160018285000100019820240531094446.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a510.07bESM  aElementary school mathematics  aU.S.A.bAddison-Wesleyc1964  a48p.   aMathematics  aLCBED